2258407852440 has 64 divisors (see below), whose sum is σ = 6775333724160. Its totient is φ = 602232301440.

The previous prime is 2258407852433. The next prime is 2258407852453. The reversal of 2258407852440 is 442587048522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10119255 + ... + 10340025.

It is an arithmetic number, because the mean of its divisors is an integer number (105864589440).

Almost surely, 2^{2258407852440} is an apocalyptic number.

2258407852440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2258407852440 is an abundant number, since it is smaller than the sum of its proper divisors (4516925871720).

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

2258407852440 is a wasteful number, since it uses less digits than its factorization.

2258407852440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306032 (or 306028 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 51.

The spelling of 2258407852440 in words is "two trillion, two hundred fifty-eight billion, four hundred seven million, eight hundred fifty-two thousand, four hundred forty".