402284135652 has 48 divisors (see below), whose sum is σ = 1084811172480. Its totient is φ = 113646880512.

The previous prime is 402284135651. The next prime is 402284135801. The reversal of 402284135652 is 256531482204.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (402284135651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26897563 + ... + 26912514.

It is an arithmetic number, because the mean of its divisors is an integer number (22600232760).

Almost surely, 2^402284135652 is an apocalyptic number.

402284135652 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

402284135652 is an abundant number, since it is smaller than the sum of its proper divisors (682527036828).

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

402284135652 is a wasteful number, since it uses less digits than its factorization.

402284135652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53810180 (or 53810178 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 402284135652 in words is "four hundred two billion, two hundred eighty-four million, one hundred thirty-five thousand, six hundred fifty-two".