40928880 has 40 divisors (see below), whose sum is σ = 126880272. Its totient is φ = 10914304.

The previous prime is 40928857. The next prime is 40928903. The reversal of 40928880 is 8882904.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40928857) and next prime (40928903).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85029 + ... + 85508.

Almost surely, 2^40928880 is an apocalyptic number.

40928880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40928880 is an abundant number, since it is smaller than the sum of its proper divisors (85951392).

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

40928880 is a wasteful number, since it uses less digits than its factorization.

40928880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170553 (or 170547 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 40928880 is about 6397.5682880294. The cubic root of 40928880 is about 344.6222287977.

The spelling of 40928880 in words is "forty million, nine hundred twenty-eight thousand, eight hundred eighty".