40977904 has 80 divisors (see below), whose sum is σ = 92565504. Its totient is φ = 17388800.

The previous prime is 40977887. The next prime is 40977913.

40977904 is nontrivially palindromic in base 10.

It is a congruent number.

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, 214449 + ... + 214639.

Almost surely, 2^40977904 is an apocalyptic number.

40977904 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 40977904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46282752).

40977904 is an abundant number, since it is smaller than the sum of its proper divisors (51587600).

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

40977904 is a wasteful number, since it uses less digits than its factorization.

40977904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 40977904 is about 6401.3985971817. The cubic root of 40977904 is about 344.7597683476.

The spelling of 40977904 in words is "forty million, nine hundred seventy-seven thousand, nine hundred four".