28526742630 has 24 divisors (see below), whose sum is σ = 74169531072. Its totient is φ = 7607131344.

The previous prime is 28526742623. The next prime is 28526742641. The reversal of 28526742630 is 3624762582.

28526742630 is a `hidden beast` number, since 2 + 8 + 5 + 2 + 6 + 7 + 4 + 2 + 630 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158481814 + ... + 158481993.

It is an arithmetic number, because the mean of its divisors is an integer number (3090397128).

Almost surely, 2^28526742630 is an apocalyptic number.

28526742630 is an abundant number, since it is smaller than the sum of its proper divisors (45642788442).

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

28526742630 is a wasteful number, since it uses less digits than its factorization.

28526742630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316963820 (or 316963817 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 28526742630 in words is "twenty-eight billion, five hundred twenty-six million, seven hundred forty-two thousand, six hundred thirty".