2642195900790 has 48 divisors (see below), whose sum is σ = 6870043252800. Its totient is φ = 704551326336.

The previous prime is 2642195900713. The next prime is 2642195900803. The reversal of 2642195900790 is 970095912462.

2642195900790 is a `hidden beast` number, since 2 + 6 + 42 + 1 + 9 + 590 + 0 + 7 + 9 + 0 = 666.

It is a super-3 number, since 3×2642195900790³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1176066 + ... + 2582154.

It is an arithmetic number, because the mean of its divisors is an integer number (143125901100).

Almost surely, 2^{2642195900790} is an apocalyptic number.

2642195900790 is an abundant number, since it is smaller than the sum of its proper divisors (4227847352010).

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

2642195900790 is a wasteful number, since it uses less digits than its factorization.

2642195900790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426981 (or 1426978 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 2642195900790 in words is "two trillion, six hundred forty-two billion, one hundred ninety-five million, nine hundred thousand, seven hundred ninety".