2190742567920 has 60 divisors (see below), whose sum is σ = 7357243793016. Its totient is φ = 584198017920.

The previous prime is 2190742567877. The next prime is 2190742567957. The reversal of 2190742567920 is 297652470912.

2190742567920 is a `hidden beast` number, since 2 + 1 + 9 + 0 + 74 + 2 + 567 + 9 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

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, 1521348286 + ... + 1521349725.

Almost surely, 2^{2190742567920} is an apocalyptic number.

2190742567920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2190742567920 is an abundant number, since it is smaller than the sum of its proper divisors (5166501225096).

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

2190742567920 is a wasteful number, since it uses less digits than its factorization.

2190742567920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042698030 (or 3042698021 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 2190742567920 in words is "two trillion, one hundred ninety billion, seven hundred forty-two million, five hundred sixty-seven thousand, nine hundred twenty".