7893023040 has 168 divisors, whose sum is σ = 31027176960. Its totient is φ = 1804114944.

The previous prime is 7893023023. The next prime is 7893023051. The reversal of 7893023040 is 403203987.

It is a tau number, because it is divible by the number of its divisors (168).

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 = 7893022986 and 7893023004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175600 + ... + 215919.

Almost surely, 2^7893023040 is an apocalyptic number.

7893023040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7893023040 is an abundant number, since it is smaller than the sum of its proper divisors (23134153920).

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

7893023040 is a wasteful number, since it uses less digits than its factorization.

7893023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391549 (or 391536 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7893023040 is about 88842.6870372570. The cubic root of 7893023040 is about 1991.0452191220.

The spelling of 7893023040 in words is "seven billion, eight hundred ninety-three million, twenty-three thousand, forty".