2401656042037 has 10 divisors (see below), whose sum is σ = 2801765339638. Its totient is φ = 2058562319688.

The previous prime is 2401656042029. The next prime is 2401656042041. The reversal of 2401656042037 is 7302406561042.

It can be written as a sum of positive squares in only one way, i.e., 2335881232881 + 65774809156 = 1528359^2 + 256466^2 .

It is not a de Polignac number, because 2401656042037 - 2³ = 2401656042029 is a prime.

It is a super-2 number, since 2×2401656042037² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401656042067) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 500134218 + ... + 500139019.

Almost surely, 2^{2401656042037} is an apocalyptic number.

It is an amenable number.

2401656042037 is a deficient number, since it is larger than the sum of its proper divisors (400109297601).

2401656042037 is an frugal number, since it uses more digits than its factorization.

2401656042037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000273265 (or 1000273244 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 2401656042037 in words is "two trillion, four hundred one billion, six hundred fifty-six million, forty-two thousand, thirty-seven".