126645307560 has 96 divisors (see below), whose sum is σ = 429492810240. Its totient is φ = 32303728512.

The previous prime is 126645307553. The next prime is 126645307631. The reversal of 126645307560 is 65703546621.

126645307560 is a `hidden beast` number, since 1 + 2 + 6 + 64 + 530 + 7 + 56 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7639384 + ... + 7655943.

It is an arithmetic number, because the mean of its divisors is an integer number (4473883440).

Almost surely, 2^126645307560 is an apocalyptic number.

126645307560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126645307560 is an abundant number, since it is smaller than the sum of its proper divisors (302847502680).

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

126645307560 is a wasteful number, since it uses less digits than its factorization.

126645307560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295367 (or 15295360 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 126645307560 in words is "one hundred twenty-six billion, six hundred forty-five million, three hundred seven thousand, five hundred sixty".