7680813040 has 40 divisors (see below), whose sum is σ = 17872838208. Its totient is φ = 3069753600.

The previous prime is 7680813029. The next prime is 7680813043. The reversal of 7680813040 is 403180867.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7680813043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57465 + ... + 136615.

Almost surely, 2^7680813040 is an apocalyptic number.

It is an amenable number.

7680813040 is an abundant number, since it is smaller than the sum of its proper divisors (10192025168).

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

7680813040 is a wasteful number, since it uses less digits than its factorization.

7680813040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80377 (or 80371 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 7680813040 is about 87640.2478316898. The cubic root of 7680813040 is about 1973.0392795446.

The spelling of 7680813040 in words is "seven billion, six hundred eighty million, eight hundred thirteen thousand, forty".