1425572660 has 48 divisors (see below), whose sum is σ = 3288297600. Its totient is φ = 516726144.

The previous prime is 1425572653. The next prime is 1425572677. The reversal of 1425572660 is 662755241.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 72815 + ... + 90294.

It is an arithmetic number, because the mean of its divisors is an integer number (68506200).

Almost surely, 2^1425572660 is an apocalyptic number.

1425572660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425572660 is an abundant number, since it is smaller than the sum of its proper divisors (1862724940).

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

1425572660 is a wasteful number, since it uses less digits than its factorization.

1425572660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163160 (or 163158 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 1425572660 is about 37756.7564814564. The cubic root of 1425572660 is about 1125.4592784834.

The spelling of 1425572660 in words is "one billion, four hundred twenty-five million, five hundred seventy-two thousand, six hundred sixty".