2142157041804 has 48 divisors (see below), whose sum is σ = 5382948671072. Its totient is φ = 659113915392.

The previous prime is 2142157041799. The next prime is 2142157041823. The reversal of 2142157041804 is 4081407512412.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16175682 + ... + 16307574.

Almost surely, 2^{2142157041804} is an apocalyptic number.

It is an amenable number.

2142157041804 is an abundant number, since it is smaller than the sum of its proper divisors (3240791629268).

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

2142157041804 is a wasteful number, since it uses less digits than its factorization.

2142157041804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236026 (or 236024 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 2142157041804 in words is "two trillion, one hundred forty-two billion, one hundred fifty-seven million, forty-one thousand, eight hundred four".