28801543632740 has 24 divisors (see below), whose sum is σ = 60619772666880. Its totient is φ = 11494611541088.

The previous prime is 28801543632737. The next prime is 28801543632769. The reversal of 28801543632740 is 4723634510882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625360420 + ... + 1625378139.

It is an arithmetic number, because the mean of its divisors is an integer number (2525823861120).

Almost surely, 2^{28801543632740} is an apocalyptic number.

28801543632740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28801543632740 is an abundant number, since it is smaller than the sum of its proper divisors (31818229034140).

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

28801543632740 is a wasteful number, since it uses less digits than its factorization.

28801543632740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250739011 (or 3250739009 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 28801543632740 in words is "twenty-eight trillion, eight hundred one billion, five hundred forty-three million, six hundred thirty-two thousand, seven hundred forty".