40988904 has 64 divisors (see below), whose sum is σ = 118376640. Its totient is φ = 11688960.

The previous prime is 40988891. The next prime is 40988917.

40988904 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (40988891) and next prime (40988917).

It is a super-2 number, since 2×40988904² = 3360180502242432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79 + ... + 9054.

It is an arithmetic number, because the mean of its divisors is an integer number (1849635).

Almost surely, 2^40988904 is an apocalyptic number.

40988904 is a gapful number since it is divisible by the number (44) 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 40988904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59188320).

40988904 is an abundant number, since it is smaller than the sum of its proper divisors (77387736).

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

40988904 is a wasteful number, since it uses less digits than its factorization.

40988904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170 (or 9166 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 40988904 is about 6402.2577267711. The cubic root of 40988904 is about 344.7906143874.

The spelling of 40988904 in words is "forty million, nine hundred eighty-eight thousand, nine hundred four".