615612048264 has 40 divisors (see below), whose sum is σ = 1724283748110. Its totient is φ = 205204015872.

The previous prime is 615612048263. The next prime is 615612048283. The reversal of 615612048264 is 462840216516.

It is a happy number.

615612048264 is a `hidden beast` number, since 6 + 1 + 5 + 612 + 0 + 4 + 8 + 26 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 434468176164 + 181143872100 = 659142^2 + 425610^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (615612048263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 475008649 + ... + 475009944.

Almost surely, 2^615612048264 is an apocalyptic number.

It is an amenable number.

615612048264 is an abundant number, since it is smaller than the sum of its proper divisors (1108671699846).

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

615612048264 is a wasteful number, since it uses less digits than its factorization.

615612048264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950018611 (or 950018598 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 615612048264 in words is "six hundred fifteen billion, six hundred twelve million, forty-eight thousand, two hundred sixty-four".