40040796960 has 192 divisors, whose sum is σ = 140508950400. Its totient is φ = 10649650176.

The previous prime is 40040796959. The next prime is 40040797019. The reversal of 40040796960 is 6969704004.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1668567 + ... + 1692393.

It is an arithmetic number, because the mean of its divisors is an integer number (731817450).

Almost surely, 2^40040796960 is an apocalyptic number.

40040796960 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 40040796960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70254475200).

40040796960 is an abundant number, since it is smaller than the sum of its proper divisors (100468153440).

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

40040796960 is a wasteful number, since it uses less digits than its factorization.

40040796960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24240 (or 24226 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 40040796960 in words is "forty billion, forty million, seven hundred ninety-six thousand, nine hundred sixty".