28587452450 has 96 divisors (see below), whose sum is σ = 58179026304. Its totient is φ = 10406845440.

The previous prime is 28587452449. The next prime is 28587452479. The reversal of 28587452450 is 5425478582.

It is a super-2 number, since 2×28587452450² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

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, 5249429 + ... + 5254871.

It is an arithmetic number, because the mean of its divisors is an integer number (606031524).

Almost surely, 2^28587452450 is an apocalyptic number.

28587452450 is an abundant number, since it is smaller than the sum of its proper divisors (29591573854).

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

28587452450 is a wasteful number, since it uses less digits than its factorization.

28587452450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 3584000, while the sum is 50.

The spelling of 28587452450 in words is "twenty-eight billion, five hundred eighty-seven million, four hundred fifty-two thousand, four hundred fifty".