28415170624 has 63 divisors (see below), whose sum is σ = 59563961517. Its totient is φ = 13447680768.

The previous prime is 28415170547. The next prime is 28415170639. The reversal of 28415170624 is 42607151482.

The square root of 28415170624 is 168568.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 459330624 + 27955840000 = 21432^2 + 167200^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25621782 + ... + 25622890.

Almost surely, 2^28415170624 is an apocalyptic number.

28415170624 is the 168568-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28415170624

28415170624 is an abundant number, since it is smaller than the sum of its proper divisors (31148790893).

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

28415170624 is an frugal number, since it uses more digits than its factorization.

28415170624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 28415170624 in words is "twenty-eight billion, four hundred fifteen million, one hundred seventy thousand, six hundred twenty-four".