1295064040 has 64 divisors (see below), whose sum is σ = 2943682560. Its totient is φ = 512762880.

The previous prime is 1295063999. The next prime is 1295064041. The reversal of 1295064040 is 404605921.

It is a super-2 number, since 2×1295064040² = 3354381735402243200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1295063993 and 1295064011.

It is not an unprimeable number, because it can be changed into a prime (1295064041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2574429 + ... + 2574931.

It is an arithmetic number, because the mean of its divisors is an integer number (45995040).

Almost surely, 2^1295064040 is an apocalyptic number.

1295064040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1295064040 is an abundant number, since it is smaller than the sum of its proper divisors (1648618520).

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

1295064040 is a wasteful number, since it uses less digits than its factorization.

1295064040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1295064040 is about 35986.9982076861. The cubic root of 1295064040 is about 1090.0098307337.

Adding to 1295064040 its reverse (404605921), we get a palindrome (1699669961).

The spelling of 1295064040 in words is "one billion, two hundred ninety-five million, sixty-four thousand, forty".