28136029360 has 20 divisors (see below), whose sum is σ = 65416268448. Its totient is φ = 11254411712.

The previous prime is 28136029357. The next prime is 28136029373. The reversal of 28136029360 is 6392063182.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×28136029360² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175850104 + ... + 175850263.

Almost surely, 2^28136029360 is an apocalyptic number.

28136029360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28136029360 is an abundant number, since it is smaller than the sum of its proper divisors (37280239088).

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

28136029360 is a wasteful number, since it uses less digits than its factorization.

28136029360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351700380 (or 351700374 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 28136029360 in words is "twenty-eight billion, one hundred thirty-six million, twenty-nine thousand, three hundred sixty".