28613336025440 has 96 divisors (see below), whose sum is σ = 69041170606464. Its totient is φ = 11201185884160.

The previous prime is 28613336025427. The next prime is 28613336025467. The reversal of 28613336025440 is 4452063331682.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146850962 + ... + 147045678.

It is an arithmetic number, because the mean of its divisors is an integer number (719178860484).

Almost surely, 2^{28613336025440} is an apocalyptic number.

28613336025440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28613336025440 is an abundant number, since it is smaller than the sum of its proper divisors (40427834581024).

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

28613336025440 is a wasteful number, since it uses less digits than its factorization.

28613336025440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214320 (or 214312 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 28613336025440 in words is "twenty-eight trillion, six hundred thirteen billion, three hundred thirty-six million, twenty-five thousand, four hundred forty".