1425705864 has 64 divisors (see below), whose sum is σ = 3946371840. Its totient is φ = 425578560.

The previous prime is 1425705803. The next prime is 1425705871. The reversal of 1425705864 is 4685075241.

It is a happy 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, 22614 + ... + 57989.

It is an arithmetic number, because the mean of its divisors is an integer number (61662060).

Almost surely, 2^1425705864 is an apocalyptic number.

It is an amenable number.

1425705864 is an abundant number, since it is smaller than the sum of its proper divisors (2520665976).

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

1425705864 is a wasteful number, since it uses less digits than its factorization.

1425705864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80690 (or 80686 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 1425705864 is about 37758.5204159273. The cubic root of 1425705864 is about 1125.4943312995.

The spelling of 1425705864 in words is "one billion, four hundred twenty-five million, seven hundred five thousand, eight hundred sixty-four".