1425964788 has 36 divisors (see below), whose sum is σ = 3672536868. Its totient is φ = 466352640.

The previous prime is 1425964751. The next prime is 1425964807. The reversal of 1425964788 is 8874695241.

It is a happy number.

1425964788 is a `hidden beast` number, since 1 + 4 + 2 + 596 + 47 + 8 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 597215844 + 828748944 = 24438^2 + 28788^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371773 + ... + 375588.

It is an arithmetic number, because the mean of its divisors is an integer number (102014913).

Almost surely, 2^1425964788 is an apocalyptic number.

1425964788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1425964788 is an abundant number, since it is smaller than the sum of its proper divisors (2246572080).

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

1425964788 is a wasteful number, since it uses less digits than its factorization.

1425964788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747424 (or 747419 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 1425964788 is about 37761.9489433477. The cubic root of 1425964788 is about 1125.5624612604.

The spelling of 1425964788 in words is "one billion, four hundred twenty-five million, nine hundred sixty-four thousand, seven hundred eighty-eight".