46471440 has 80 divisors (see below), whose sum is σ = 144865728. Its totient is φ = 12323328.

The previous prime is 46471429. The next prime is 46471441. The reversal of 46471440 is 4417464.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 46471398 and 46471407.

It is not an unprimeable number, because it can be changed into a prime (46471441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54054 + ... + 54906.

Almost surely, 2^46471440 is an apocalyptic number.

46471440 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 46471440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72432864).

46471440 is an abundant number, since it is smaller than the sum of its proper divisors (98394288).

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

46471440 is a wasteful number, since it uses less digits than its factorization.

46471440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 46471440 is about 6816.9964060428. The cubic root of 46471440 is about 359.5246813409.

The spelling of 46471440 in words is "forty-six million, four hundred seventy-one thousand, four hundred forty".