42042041313402 has 32 divisors (see below), whose sum is σ = 90552354314688. Its totient is φ = 12935974807296.

The previous prime is 42042041313317. The next prime is 42042041313407. The reversal of 42042041313402 is 20431314024024.

It is a self number, because there is not a number n which added to its sum of digits gives 42042041313402.

It is not an unprimeable number, because it can be changed into a prime (42042041313407) 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, 38368713 + ... + 39449235.

It is an arithmetic number, because the mean of its divisors is an integer number (2829761072334).

Almost surely, 2^{42042041313402} is an apocalyptic number.

42042041313402 is an abundant number, since it is smaller than the sum of its proper divisors (48510313001286).

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

42042041313402 is a wasteful number, since it uses less digits than its factorization.

42042041313402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579374.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 42042041313402 its reverse (20431314024024), we get a palindrome (62473355337426).

The spelling of 42042041313402 in words is "forty-two trillion, forty-two billion, forty-one million, three hundred thirteen thousand, four hundred two".