40818880 has 56 divisors (see below), whose sum is σ = 97840800. Its totient is φ = 16220160.

The previous prime is 40818857. The next prime is 40818907. The reversal of 40818880 is 8881804.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 63360 + ... + 64000.

Almost surely, 2^40818880 is an apocalyptic number.

40818880 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 40818880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48920400).

40818880 is an abundant number, since it is smaller than the sum of its proper divisors (57021920).

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

40818880 is a wasteful number, since it uses less digits than its factorization.

40818880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 40818880 is about 6388.9654874635. The cubic root of 40818880 is about 344.3132175182.

The spelling of 40818880 in words is "forty million, eight hundred eighteen thousand, eight hundred eighty".