2042940557 has 8 divisors (see below), whose sum is σ = 2335291200. Its totient is φ = 1750715424.

The previous prime is 2042940539. The next prime is 2042940593. The reversal of 2042940557 is 7550492402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2042940557 - 2¹⁰ = 2042939533 is a prime.

It is a super-2 number, since 2×2042940557² = 8347212238870940498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042940557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042940527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6569 + ... + 64257.

It is an arithmetic number, because the mean of its divisors is an integer number (291911400).

Almost surely, 2^2042940557 is an apocalyptic number.

It is an amenable number.

2042940557 is a deficient number, since it is larger than the sum of its proper divisors (292350643).

2042940557 is an equidigital number, since it uses as much as digits as its factorization.

2042940557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62755.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2042940557 is about 45198.8999534281. The cubic root of 2042940557 is about 1268.8742285697.

The spelling of 2042940557 in words is "two billion, forty-two million, nine hundred forty thousand, five hundred fifty-seven".