2402555240557 has 48 divisors (see below), whose sum is σ = 2532549868992. Its totient is φ = 2278954782720.

The previous prime is 2402555240537. The next prime is 2402555240563. The reversal of 2402555240557 is 7550425552042.

It is not a de Polignac number, because 2402555240557 - 2²⁷ = 2402421022829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402555240507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7258474882 + ... + 7258475212.

It is an arithmetic number, because the mean of its divisors is an integer number (52761455604).

Almost surely, 2^{2402555240557} is an apocalyptic number.

It is an amenable number.

2402555240557 is a deficient number, since it is larger than the sum of its proper divisors (129994628435).

2402555240557 is a wasteful number, since it uses less digits than its factorization.

2402555240557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 2800000, while the sum is 46.

The spelling of 2402555240557 in words is "two trillion, four hundred two billion, five hundred fifty-five million, two hundred forty thousand, five hundred fifty-seven".