46640256 has 64 divisors (see below), whose sum is σ = 133432320. Its totient is φ = 14349312.

The previous prime is 46640221. The next prime is 46640263. The reversal of 46640256 is 65204664.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321 + ... + 9663.

It is an arithmetic number, because the mean of its divisors is an integer number (2084880).

Almost surely, 2^46640256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46640256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66716160).

46640256 is an abundant number, since it is smaller than the sum of its proper divisors (86792064).

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

46640256 is a wasteful number, since it uses less digits than its factorization.

46640256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9373 (or 9361 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 46640256 is about 6829.3671741970. The cubic root of 46640256 is about 359.9595016171.

The spelling of 46640256 in words is "forty-six million, six hundred forty thousand, two hundred fifty-six".