28479653382960 has 120 divisors (see below), whose sum is σ = 103001413102224. Its totient is φ = 7010376215040.

The previous prime is 28479653382787. The next prime is 28479653382967. The reversal of 28479653382960 is 6928335697482.

It is a happy number.

28479653382960 is a `hidden beast` number, since 2 + 8 + 4 + 7 + 9 + 6 + 533 + 8 + 29 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×28479653382960² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (28479653382967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1521339646 + ... + 1521358365.

Almost surely, 2^{28479653382960} is an apocalyptic number.

28479653382960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28479653382960 is an abundant number, since it is smaller than the sum of its proper divisors (74521759719264).

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

28479653382960 is a wasteful number, since it uses less digits than its factorization.

28479653382960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042698043 (or 3042698034 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 72.

The spelling of 28479653382960 in words is "twenty-eight trillion, four hundred seventy-nine billion, six hundred fifty-three million, three hundred eighty-two thousand, nine hundred sixty".