28400153600 has 528 divisors, whose sum is σ = 88356511488. Its totient is φ = 8811970560.

The previous prime is 28400153599. The next prime is 28400153699. The reversal of 28400153600 is 635100482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170060717 + ... + 170060883.

Almost surely, 2^28400153600 is an apocalyptic number.

28400153600 is a gapful number since it is divisible by the number (20) 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 28400153600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44178255744).

28400153600 is an abundant number, since it is smaller than the sum of its proper divisors (59956357888).

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

28400153600 is a wasteful number, since it uses less digits than its factorization.

28400153600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 28400153600 in words is "twenty-eight billion, four hundred million, one hundred fifty-three thousand, six hundred".