15435664356 has 48 divisors (see below), whose sum is σ = 41216031360. Its totient is φ = 4404376320.

The previous prime is 15435664327. The next prime is 15435664399. The reversal of 15435664356 is 65346653451.

It is a super-2 number, since 2×15435664356² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56811 + ... + 184658.

It is an arithmetic number, because the mean of its divisors is an integer number (858667320).

Almost surely, 2^15435664356 is an apocalyptic number.

It is an amenable number.

15435664356 is an abundant number, since it is smaller than the sum of its proper divisors (25780367004).

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

15435664356 is a wasteful number, since it uses less digits than its factorization.

15435664356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242244 (or 242242 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 48.

The spelling of 15435664356 in words is "fifteen billion, four hundred thirty-five million, six hundred sixty-four thousand, three hundred fifty-six".