28540596923136 has 54 divisors (see below), whose sum is σ = 82289576985980. Its totient is φ = 9513532306944.

The previous prime is 28540596923119. The next prime is 28540596923141. The reversal of 28540596923136 is 63132969504582.

It is a happy number.

28540596923136 is a `hidden beast` number, since 2 + 8 + 5 + 4 + 0 + 596 + 9 + 2 + 3 + 1 + 36 = 666.

It is a super-2 number, since 2×28540596923136² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6193703626 + ... + 6193708233.

Almost surely, 2^{28540596923136} is an apocalyptic number.

It is an amenable number.

28540596923136 is an abundant number, since it is smaller than the sum of its proper divisors (53748980062844).

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

28540596923136 is a wasteful number, since it uses less digits than its factorization.

28540596923136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12387411881 (or 12387411864 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 28540596923136 in words is "twenty-eight trillion, five hundred forty billion, five hundred ninety-six million, nine hundred twenty-three thousand, one hundred thirty-six".