46451640 has 64 divisors (see below), whose sum is σ = 143861760. Its totient is φ = 11986560.

The previous prime is 46451627. The next prime is 46451663. The reversal of 46451640 is 4615464.

46451640 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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 46451598 and 46451607.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2524 + ... + 9963.

It is an arithmetic number, because the mean of its divisors is an integer number (2247840).

Almost surely, 2^46451640 is an apocalyptic number.

46451640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46451640 is an abundant number, since it is smaller than the sum of its proper divisors (97410120).

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

46451640 is a wasteful number, since it uses less digits than its factorization.

46451640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12532 (or 12528 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 46451640 is about 6815.5439988309. The cubic root of 46451640 is about 359.4736134166.

The spelling of 46451640 in words is "forty-six million, four hundred fifty-one thousand, six hundred forty".