425240807814 has 96 divisors (see below), whose sum is σ = 944954449920. Its totient is φ = 138143391936.

The previous prime is 425240807807. The next prime is 425240807819. The reversal of 425240807814 is 418708042524.

425240807814 is a `hidden beast` number, since 42 + 524 + 0 + 8 + 0 + 7 + 81 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 425240807814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425240807819) 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, 264616999 + ... + 264618605.

It is an arithmetic number, because the mean of its divisors is an integer number (9843275520).

Almost surely, 2^425240807814 is an apocalyptic number.

425240807814 is an abundant number, since it is smaller than the sum of its proper divisors (519713642106).

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

425240807814 is a wasteful number, since it uses less digits than its factorization.

425240807814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2791 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 425240807814 in words is "four hundred twenty-five billion, two hundred forty million, eight hundred seven thousand, eight hundred fourteen".