7138990080 has 576 divisors, whose sum is σ = 27188179200. Its totient is φ = 1791590400.

The previous prime is 7138990021. The next prime is 7138990153. The reversal of 7138990080 is 800998317.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47278005 + ... + 47278155.

It is an arithmetic number, because the mean of its divisors is an integer number (47201700).

Almost surely, 2^7138990080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7138990080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13594089600).

7138990080 is an abundant number, since it is smaller than the sum of its proper divisors (20049189120).

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

7138990080 is a wasteful number, since it uses less digits than its factorization.

7138990080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 7138990080 is about 84492.5445231708. The cubic root of 7138990080 is about 1925.5091770515.

The spelling of 7138990080 in words is "seven billion, one hundred thirty-eight million, nine hundred ninety thousand, eighty".