2042757620 has 24 divisors (see below), whose sum is σ = 4290794088. Its totient is φ = 816912000.

The previous prime is 2042757559. The next prime is 2042757671. The reversal of 2042757620 is 267572402.

It can be written as a sum of positive squares in 4 ways, for example, as 23872996 + 2018884624 = 4886^2 + 44932^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102470 + ... + 120770.

It is an arithmetic number, because the mean of its divisors is an integer number (178783087).

Almost surely, 2^2042757620 is an apocalyptic number.

2042757620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042757620 is an abundant number, since it is smaller than the sum of its proper divisors (2248036468).

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

2042757620 is a wasteful number, since it uses less digits than its factorization.

2042757620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23891 (or 23889 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 2042757620 is about 45196.8762194911. The cubic root of 2042757620 is about 1268.8363532674.

The spelling of 2042757620 in words is "two billion, forty-two million, seven hundred fifty-seven thousand, six hundred twenty".