40031600000 has 576 divisors, whose sum is σ = 124926066720. Its totient is φ = 12472320000.

The previous prime is 40031599961. The next prime is 40031600003. The reversal of 40031600000 is 613004.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40031600003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1380399986 + ... + 1380400014.

Almost surely, 2^40031600000 is an apocalyptic number.

40031600000 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 40031600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62463033360).

40031600000 is an abundant number, since it is smaller than the sum of its proper divisors (84894466720).

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

40031600000 is an frugal number, since it uses more digits than its factorization.

40031600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The spelling of 40031600000 in words is "forty billion, thirty-one million, six hundred thousand".