42000400202442 has 32 divisors (see below), whose sum is σ = 91641742130880. Its totient is φ = 12726768261120.

The previous prime is 42000400202413. The next prime is 42000400202533. The reversal of 42000400202442 is 24420200400024.

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, 14290017 + ... + 16976612.

It is an arithmetic number, because the mean of its divisors is an integer number (2863804441590).

Almost surely, 2^{42000400202442} is an apocalyptic number.

42000400202442 is an abundant number, since it is smaller than the sum of its proper divisors (49641341928438).

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

42000400202442 is a wasteful number, since it uses less digits than its factorization.

42000400202442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31286998.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42000400202442 its reverse (24420200400024), we get a palindrome (66420600602466).

The spelling of 42000400202442 in words is "forty-two trillion, four hundred million, two hundred two thousand, four hundred forty-two".