28290036052 has 24 divisors (see below), whose sum is σ = 50467802112. Its totient is φ = 13872751200.

The previous prime is 28290035999. The next prime is 28290036091. The reversal of 28290036052 is 25063009282.

It is a super-2 number, since 2×28290036052² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206523 + ... + 315010.

It is an arithmetic number, because the mean of its divisors is an integer number (2102825088).

Almost surely, 2^28290036052 is an apocalyptic number.

It is an amenable number.

28290036052 is a deficient number, since it is larger than the sum of its proper divisors (22177766060).

28290036052 is a wasteful number, since it uses less digits than its factorization.

28290036052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521799 (or 521797 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 28290036052 in words is "twenty-eight billion, two hundred ninety million, thirty-six thousand, fifty-two".