2457940249345 has 24 divisors (see below), whose sum is σ = 3431397311424. Its totient is φ = 1685290805856.

The previous prime is 2457940249279. The next prime is 2457940249361. The reversal of 2457940249345 is 5439420497542.

It is not a de Polignac number, because 2457940249345 - 2⁷ = 2457940249217 is a prime.

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 2457940249345.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2262732 + ... + 3167938.

It is an arithmetic number, because the mean of its divisors is an integer number (142974887976).

Almost surely, 2^{2457940249345} is an apocalyptic number.

It is an amenable number.

2457940249345 is a deficient number, since it is larger than the sum of its proper divisors (973457062079).

2457940249345 is a wasteful number, since it uses less digits than its factorization.

2457940249345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916309 (or 916302 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 2457940249345 in words is "two trillion, four hundred fifty-seven billion, nine hundred forty million, two hundred forty-nine thousand, three hundred forty-five".