42001252049994 has 32 divisors (see below), whose sum is σ = 89140461258240. Its totient is φ = 13164725523312.

The previous prime is 42001252049957. The next prime is 42001252050041. The reversal of 42001252049994 is 49994025210024.

It is a happy 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, 2579287612 + ... + 2579303895.

It is an arithmetic number, because the mean of its divisors is an integer number (2785639414320).

Almost surely, 2^{42001252049994} is an apocalyptic number.

42001252049994 is an abundant number, since it is smaller than the sum of its proper divisors (47139209208246).

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

42001252049994 is a wasteful number, since it uses less digits than its factorization.

42001252049994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158591594.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 42001252049994 in words is "forty-two trillion, one billion, two hundred fifty-two million, forty-nine thousand, nine hundred ninety-four".