2642244057 has 60 divisors (see below), whose sum is σ = 4296719196. Its totient is φ = 1616855040.

The previous prime is 2642244047. The next prime is 2642244067. The reversal of 2642244057 is 7504422462.

2642244057 is a `hidden beast` number, since 2 + 642 + 2 + 4 + 4 + 0 + 5 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (2642244047) and next prime (2642244067).

It can be written as a sum of positive squares in 6 ways, for example, as 191102976 + 2451141081 = 13824^2 + 49509^2 .

It is not a de Polignac number, because 2642244057 - 2⁴ = 2642244041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642244047) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 958393 + ... + 961145.

Almost surely, 2^2642244057 is an apocalyptic number.

2642244057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2642244057 is a deficient number, since it is larger than the sum of its proper divisors (1654475139).

2642244057 is a wasteful number, since it uses less digits than its factorization.

2642244057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 2642244057 is about 51402.7631261200. The cubic root of 2642244057 is about 1382.4761356948.

The spelling of 2642244057 in words is "two billion, six hundred forty-two million, two hundred forty-four thousand, fifty-seven".