402005315102 has 16 divisors (see below), whose sum is σ = 605290178400. Its totient is φ = 200242175328.

The previous prime is 402005315093. The next prime is 402005315111. The reversal of 402005315102 is 201513500204.

It is an interprime number because it is at equal distance from previous prime (402005315093) and next prime (402005315111).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3284399 + ... + 3404597.

It is an arithmetic number, because the mean of its divisors is an integer number (37830636150).

Almost surely, 2^402005315102 is an apocalyptic number.

402005315102 is a deficient number, since it is larger than the sum of its proper divisors (203284863298).

402005315102 is a wasteful number, since it uses less digits than its factorization.

402005315102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126515.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 402005315102 its reverse (201513500204), we get a palindrome (603518815306).

The spelling of 402005315102 in words is "four hundred two billion, five million, three hundred fifteen thousand, one hundred two".