1295609472 has 64 divisors (see below), whose sum is σ = 3823857600. Its totient is φ = 431868672.

The previous prime is 1295609467. The next prime is 1295609489. The reversal of 1295609472 is 2749065921.

1295609472 is a `hidden beast` number, since 12 + 9 + 560 + 9 + 4 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1295609472² = 3357207807872237568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183988 + ... + 190899.

It is an arithmetic number, because the mean of its divisors is an integer number (59747775).

Almost surely, 2^1295609472 is an apocalyptic number.

1295609472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1295609472 is an abundant number, since it is smaller than the sum of its proper divisors (2528248128).

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

1295609472 is an equidigital number, since it uses as much as digits as its factorization.

1295609472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374910 (or 374892 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1295609472 is about 35994.5755913304. The cubic root of 1295609472 is about 1090.1628328965.

The spelling of 1295609472 in words is "one billion, two hundred ninety-five million, six hundred nine thousand, four hundred seventy-two".