42044266542 has 16 divisors (see below), whose sum is σ = 84180044160. Its totient is φ = 13999503672.

The previous prime is 42044266519. The next prime is 42044266571. The reversal of 42044266542 is 24566244024.

It is a self number, because there is not a number n which added to its sum of digits gives 42044266542.

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, 3806988 + ... + 3818015.

It is an arithmetic number, because the mean of its divisors is an integer number (5261252760).

Almost surely, 2^42044266542 is an apocalyptic number.

42044266542 is an abundant number, since it is smaller than the sum of its proper divisors (42135777618).

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

42044266542 is a wasteful number, since it uses less digits than its factorization.

42044266542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625927.

The product of its (nonzero) digits is 368640, while the sum is 39.

The spelling of 42044266542 in words is "forty-two billion, forty-four million, two hundred sixty-six thousand, five hundred forty-two".