402240301400 has 96 divisors (see below), whose sum is σ = 1131681183840. Its totient is φ = 129798543360.

The previous prime is 402240301399. The next prime is 402240301453. The reversal of 402240301400 is 4103042204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8426627 + ... + 8474226.

It is an arithmetic number, because the mean of its divisors is an integer number (11788345665).

Almost surely, 2^402240301400 is an apocalyptic number.

402240301400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402240301400 is an abundant number, since it is smaller than the sum of its proper divisors (729440882440).

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

402240301400 is a wasteful number, since it uses less digits than its factorization.

402240301400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16900893 (or 16900884 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 402240301400 its reverse (4103042204), we get a palindrome (406343343604).

The spelling of 402240301400 in words is "four hundred two billion, two hundred forty million, three hundred one thousand, four hundred".