42012423402 has 32 divisors (see below), whose sum is σ = 85651380288. Its totient is φ = 13733306496.

The previous prime is 42012423379. The next prime is 42012423413. The reversal of 42012423402 is 20432421024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653973 + ... + 715335.

It is an arithmetic number, because the mean of its divisors is an integer number (2676605634).

Almost surely, 2^42012423402 is an apocalyptic number.

42012423402 is an abundant number, since it is smaller than the sum of its proper divisors (43638956886).

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

42012423402 is a wasteful number, since it uses less digits than its factorization.

42012423402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63574.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42012423402 its reverse (20432421024), we get a palindrome (62444844426).

The spelling of 42012423402 in words is "forty-two billion, twelve million, four hundred twenty-three thousand, four hundred two".