42156392120 has 64 divisors (see below), whose sum is σ = 100606492800. Its totient is φ = 15853069440.

The previous prime is 42156392093. The next prime is 42156392153. The reversal of 42156392120 is 2129365124.

It is a super-2 number, since 2×42156392120² (a number of 22 digits) contains 22 as substring.

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, 112154 + ... + 311273.

It is an arithmetic number, because the mean of its divisors is an integer number (1571976450).

Almost surely, 2^42156392120 is an apocalyptic number.

42156392120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42156392120 is an abundant number, since it is smaller than the sum of its proper divisors (58450100680).

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

42156392120 is a wasteful number, since it uses less digits than its factorization.

42156392120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423588 (or 423584 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 42156392120 in words is "forty-two billion, one hundred fifty-six million, three hundred ninety-two thousand, one hundred twenty".