40418977008 has 80 divisors (see below), whose sum is σ = 110697168896. Its totient is φ = 12685973760.

The previous prime is 40418976967. The next prime is 40418977091. The reversal of 40418977008 is 80077981404.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 312016 + ... + 422127.

Almost surely, 2^40418977008 is an apocalyptic number.

40418977008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40418977008 is an abundant number, since it is smaller than the sum of its proper divisors (70278191888).

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

40418977008 is a wasteful number, since it uses less digits than its factorization.

40418977008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734222 (or 734216 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 40418977008 in words is "forty billion, four hundred eighteen million, nine hundred seventy-seven thousand, eight".