28070375040 has 320 divisors, whose sum is σ = 105524100000. Its totient is φ = 7091214336.

The previous prime is 28070375029. The next prime is 28070375051. The reversal of 28070375040 is 4057307082.

28070375040 is a `hidden beast` number, since 2 + 80 + 70 + 3 + 7 + 504 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (28070375029) and next prime (28070375051).

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 28070374986 and 28070375004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 970711 + ... + 999209.

Almost surely, 2^28070375040 is an apocalyptic number.

28070375040 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 28070375040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52762050000).

28070375040 is an abundant number, since it is smaller than the sum of its proper divisors (77453724960).

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

28070375040 is a wasteful number, since it uses less digits than its factorization.

28070375040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28549 (or 28528 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 28070375040 in words is "twenty-eight billion, seventy million, three hundred seventy-five thousand, forty".