2140560621 has 32 divisors (see below), whose sum is σ = 3277854720. Its totient is φ = 1379782512.

The previous prime is 2140560599. The next prime is 2140560629. The reversal of 2140560621 is 1260650412.

2140560621 is a `hidden beast` number, since 2 + 1 + 40 + 560 + 62 + 1 = 666.

It is not a de Polignac number, because 2140560621 - 2⁵ = 2140560589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140560629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95166 + ... + 115488.

It is an arithmetic number, because the mean of its divisors is an integer number (102432960).

Almost surely, 2^2140560621 is an apocalyptic number.

It is an amenable number.

2140560621 is a deficient number, since it is larger than the sum of its proper divisors (1137294099).

2140560621 is a wasteful number, since it uses less digits than its factorization.

2140560621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20462 (or 20456 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2140560621 is about 46266.1930679411. The cubic root of 2140560621 is about 1288.7712637376.

The spelling of 2140560621 in words is "two billion, one hundred forty million, five hundred sixty thousand, six hundred twenty-one".