402240365320 has 64 divisors (see below), whose sum is σ = 958856071680. Its totient is φ = 151340399616.

The previous prime is 402240365299. The next prime is 402240365323. The reversal of 402240365320 is 23563042204.

It is a super-3 number, since 3×402240365320³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (402240365323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956137 + ... + 1310983.

It is an arithmetic number, because the mean of its divisors is an integer number (14982126120).

Almost surely, 2^402240365320 is an apocalyptic number.

402240365320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402240365320 is an abundant number, since it is smaller than the sum of its proper divisors (556615706360).

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

402240365320 is a wasteful number, since it uses less digits than its factorization.

402240365320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356542 (or 356538 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The spelling of 402240365320 in words is "four hundred two billion, two hundred forty million, three hundred sixty-five thousand, three hundred twenty".