402342013320 has 128 divisors (see below), whose sum is σ = 1318182647040. Its totient is φ = 97643105280.

The previous prime is 402342013319. The next prime is 402342013321. The reversal of 402342013320 is 23310243204.

It is an interprime number because it is at equal distance from previous prime (402342013319) and next prime (402342013321).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (402342013321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1705519 + ... + 1927038.

It is an arithmetic number, because the mean of its divisors is an integer number (10298301930).

Almost surely, 2^402342013320 is an apocalyptic number.

402342013320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402342013320 is an abundant number, since it is smaller than the sum of its proper divisors (915840633720).

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

402342013320 is a wasteful number, since it uses less digits than its factorization.

402342013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632655 (or 3632651 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 402342013320 its reverse (23310243204), we get a palindrome (425652256524).

The spelling of 402342013320 in words is "four hundred two billion, three hundred forty-two million, thirteen thousand, three hundred twenty".