46655640 has 144 divisors (see below), whose sum is σ = 160477200. Its totient is φ = 11753856.

The previous prime is 46655639. The next prime is 46655647. The reversal of 46655640 is 4655664.

It is a happy number.

46655640 is a `hidden beast` number, since 4 + 6 + 6 + 5 + 5 + 640 = 666.

46655640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 46655595 and 46655604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46655647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 129781 + ... + 130139.

It is an arithmetic number, because the mean of its divisors is an integer number (1114425).

Almost surely, 2^46655640 is an apocalyptic number.

46655640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46655640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80238600).

46655640 is an abundant number, since it is smaller than the sum of its proper divisors (113821560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46655640 is a wasteful number, since it uses less digits than its factorization.

46655640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 46655640 is about 6830.4933935990. The cubic root of 46655640 is about 359.9990740717. Note that the first 3 decimals are identical.

The spelling of 46655640 in words is "forty-six million, six hundred fifty-five thousand, six hundred forty".