28401110384 has 40 divisors (see below), whose sum is σ = 58480788240. Its totient is φ = 13315509248.

The previous prime is 28401110347. The next prime is 28401110449. The reversal of 28401110384 is 48301110482.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28401110384.

It is a congruent number.

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, 120914 + ... + 267249.

It is an arithmetic number, because the mean of its divisors is an integer number (1462019706).

Almost surely, 2^28401110384 is an apocalyptic number.

It is an amenable number.

28401110384 is an abundant number, since it is smaller than the sum of its proper divisors (30079677856).

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

28401110384 is a wasteful number, since it uses less digits than its factorization.

28401110384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388457 (or 388451 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 28401110384 in words is "twenty-eight billion, four hundred one million, one hundred ten thousand, three hundred eighty-four".