40313542520 has 16 divisors (see below), whose sum is σ = 90705470760. Its totient is φ = 16125416992.

The previous prime is 40313542519. The next prime is 40313542523. The reversal of 40313542520 is 2524531304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40313542523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503919242 + ... + 503919321.

Almost surely, 2^40313542520 is an apocalyptic number.

40313542520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40313542520 is an abundant number, since it is smaller than the sum of its proper divisors (50391928240).

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

40313542520 is a wasteful number, since it uses less digits than its factorization.

40313542520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007838574 (or 1007838570 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 40313542520 in words is "forty billion, three hundred thirteen million, five hundred forty-two thousand, five hundred twenty".