245400512274 has 40 divisors (see below), whose sum is σ = 556504003440. Its totient is φ = 80814622104.

The previous prime is 245400512261. The next prime is 245400512281. The reversal of 245400512274 is 472215004542.

245400512274 is a `hidden beast` number, since 24 + 5 + 400 + 5 + 1 + 227 + 4 = 666.

It is a super-2 number, since 2×245400512274² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9111964 + ... + 9138855.

It is an arithmetic number, because the mean of its divisors is an integer number (13912600086).

Almost surely, 2^245400512274 is an apocalyptic number.

245400512274 is an abundant number, since it is smaller than the sum of its proper divisors (311103491166).

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

245400512274 is a wasteful number, since it uses less digits than its factorization.

245400512274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18250916 (or 18250907 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 36.

The spelling of 245400512274 in words is "two hundred forty-five billion, four hundred million, five hundred twelve thousand, two hundred seventy-four".