28713082157040 has 160 divisors (see below), whose sum is σ = 90090999806976. Its totient is φ = 7563896847360.

The previous prime is 28713082157029. The next prime is 28713082157051. The reversal of 28713082157040 is 4075128031782.

It is an interprime number because it is at equal distance from previous prime (28713082157029) and next prime (28713082157051).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247368297 + ... + 247484343.

Almost surely, 2^{28713082157040} is an apocalyptic number.

28713082157040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28713082157040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45045499903488).

28713082157040 is an abundant number, since it is smaller than the sum of its proper divisors (61377917649936).

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

28713082157040 is a wasteful number, since it uses less digits than its factorization.

28713082157040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128567 (or 128561 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 28713082157040 in words is "twenty-eight trillion, seven hundred thirteen billion, eighty-two million, one hundred fifty-seven thousand, forty".