2780251500942 has 24 divisors (see below), whose sum is σ = 6024067962744. Its totient is φ = 926721314064.

The previous prime is 2780251500931. The next prime is 2780251500967. The reversal of 2780251500942 is 2490051520872.

2780251500942 is a `hidden beast` number, since 2 + 7 + 8 + 0 + 2 + 51 + 500 + 94 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1840873 + ... + 2991540.

It is an arithmetic number, because the mean of its divisors is an integer number (251002831781).

Almost surely, 2^{2780251500942} is an apocalyptic number.

2780251500942 is an abundant number, since it is smaller than the sum of its proper divisors (3243816461802).

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

2780251500942 is a wasteful number, since it uses less digits than its factorization.

2780251500942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864384 (or 4864381 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 2780251500942 in words is "two trillion, seven hundred eighty billion, two hundred fifty-one million, five hundred thousand, nine hundred forty-two".