40856880 has 160 divisors (see below), whose sum is σ = 134348544. Its totient is φ = 10257408.

The previous prime is 40856867. The next prime is 40856909. The reversal of 40856880 is 8865804.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381787 + ... + 381893.

Almost surely, 2^40856880 is an apocalyptic number.

40856880 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 40856880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67174272).

40856880 is an abundant number, since it is smaller than the sum of its proper divisors (93491664).

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

40856880 is a wasteful number, since it uses less digits than its factorization.

40856880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 40856880 is about 6391.9386730475. The cubic root of 40856880 is about 344.4200295640.

The spelling of 40856880 in words is "forty million, eight hundred fifty-six thousand, eight hundred eighty".