42072956390512 has 20 divisors (see below), whose sum is σ = 81776788648960. Its totient is φ = 20969268997248.

The previous prime is 42072956390497. The next prime is 42072956390537. The reversal of 42072956390512 is 21509365927024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4200569712 + ... + 4200579727.

It is an arithmetic number, because the mean of its divisors is an integer number (4088839432448).

Almost surely, 2^{42072956390512} is an apocalyptic number.

It is an amenable number.

42072956390512 is a deficient number, since it is larger than the sum of its proper divisors (39703832258448).

42072956390512 is a wasteful number, since it uses less digits than its factorization.

42072956390512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401149760 (or 8401149754 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 42072956390512 in words is "forty-two trillion, seventy-two billion, nine hundred fifty-six million, three hundred ninety thousand, five hundred twelve".