28461358560 has 96 divisors (see below), whose sum is σ = 94371903360. Its totient is φ = 7190235648.

The previous prime is 28461358543. The next prime is 28461358567. The reversal of 28461358560 is 6585316482.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28461358567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1551262 + ... + 1569501.

It is an arithmetic number, because the mean of its divisors is an integer number (983040660).

Almost surely, 2^28461358560 is an apocalyptic number.

28461358560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28461358560 is an abundant number, since it is smaller than the sum of its proper divisors (65910544800).

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

28461358560 is a wasteful number, since it uses less digits than its factorization.

28461358560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120800 (or 3120792 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 28461358560 in words is "twenty-eight billion, four hundred sixty-one million, three hundred fifty-eight thousand, five hundred sixty".