40240236320 has 96 divisors (see below), whose sum is σ = 97157491200. Its totient is φ = 15746006016.

The previous prime is 40240236319. The next prime is 40240236349. The reversal of 40240236320 is 2363204204.

It is a self number, because there is not a number n which added to its sum of digits gives 40240236320.

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, 1363157 + ... + 1392363.

It is an arithmetic number, because the mean of its divisors is an integer number (1012057200).

Almost surely, 2^40240236320 is an apocalyptic number.

40240236320 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 40240236320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48578745600).

40240236320 is an abundant number, since it is smaller than the sum of its proper divisors (56917254880).

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

40240236320 is a wasteful number, since it uses less digits than its factorization.

40240236320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29410 (or 29402 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The spelling of 40240236320 in words is "forty billion, two hundred forty million, two hundred thirty-six thousand, three hundred twenty".