40930656 has 48 divisors (see below), whose sum is σ = 115711344. Its totient is φ = 12593664.

The previous prime is 40930651. The next prime is 40930657. The reversal of 40930656 is 65603904.

40930656 = 768² + 769² + ... + 831².

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40930651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15151 + ... + 17646.

It is an arithmetic number, because the mean of its divisors is an integer number (2410653).

Almost surely, 2^40930656 is an apocalyptic number.

It is an amenable number.

40930656 is an abundant number, since it is smaller than the sum of its proper divisors (74780688).

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

40930656 is a wasteful number, since it uses less digits than its factorization.

40930656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32823 (or 32815 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 40930656 is about 6397.7070892625. The cubic root of 40930656 is about 344.6272133809.

The spelling of 40930656 in words is "forty million, nine hundred thirty thousand, six hundred fifty-six".