7880509040 has 20 divisors (see below), whose sum is σ = 18322183704. Its totient is φ = 3152203584.

The previous prime is 7880509031. The next prime is 7880509051. The reversal of 7880509040 is 409050887.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 49253102 + ... + 49253261.

Almost surely, 2^7880509040 is an apocalyptic number.

It is an amenable number.

7880509040 is an abundant number, since it is smaller than the sum of its proper divisors (10441674664).

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

7880509040 is a wasteful number, since it uses less digits than its factorization.

7880509040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98506376 (or 98506370 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 7880509040 is about 88772.2312437848. The cubic root of 7880509040 is about 1989.9924277718.

The spelling of 7880509040 in words is "seven billion, eight hundred eighty million, five hundred nine thousand, forty".