28530840999024 has 480 divisors, whose sum is σ = 100614964230144. Its totient is φ = 7346090188800.

The previous prime is 28530840999013. The next prime is 28530840999043. The reversal of 28530840999024 is 42099904803582.

28530840999024 is a `hidden beast` number, since 2 + 8 + 530 + 8 + 4 + 0 + 9 + 9 + 90 + 2 + 4 = 666.

It is a super-2 number, since 2×28530840999024² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 246913327 + ... + 247028849.

Almost surely, 2^{28530840999024} is an apocalyptic number.

28530840999024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28530840999024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50307482115072).

28530840999024 is an abundant number, since it is smaller than the sum of its proper divisors (72084123231120).

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

28530840999024 is a wasteful number, since it uses less digits than its factorization.

28530840999024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116005 (or 115996 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 28530840999024 in words is "twenty-eight trillion, five hundred thirty billion, eight hundred forty million, nine hundred ninety-nine thousand, twenty-four".