42001380828572 has 48 divisors (see below), whose sum is σ = 80500149686880. Its totient is φ = 19016402246400.

The previous prime is 42001380828413. The next prime is 42001380828593. The reversal of 42001380828572 is 27582808310024.

It is a self number, because there is not a number n which added to its sum of digits gives 42001380828572.

It is a congruent number.

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, 54024122 + ... + 54796062.

It is an arithmetic number, because the mean of its divisors is an integer number (1677086451810).

Almost surely, 2^{42001380828572} is an apocalyptic number.

It is an amenable number.

42001380828572 is a deficient number, since it is larger than the sum of its proper divisors (38498768858308).

42001380828572 is a wasteful number, since it uses less digits than its factorization.

42001380828572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776822 (or 776820 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 42001380828572 in words is "forty-two trillion, one billion, three hundred eighty million, eight hundred twenty-eight thousand, five hundred seventy-two".