28734808000 has 56 divisors (see below), whose sum is σ = 71161771824. Its totient is φ = 11493920000.

The previous prime is 28734807953. The next prime is 28734808009. The reversal of 28734808000 is 80843782.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28734808009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787926 + ... + 1803925.

Almost surely, 2^28734808000 is an apocalyptic number.

28734808000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28734808000 is an abundant number, since it is smaller than the sum of its proper divisors (42426963824).

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

28734808000 is an equidigital number, since it uses as much as digits as its factorization.

28734808000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591878 (or 3591858 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 28734808000 in words is "twenty-eight billion, seven hundred thirty-four million, eight hundred eight thousand".