7138850280 has 32 divisors (see below), whose sum is σ = 21416551200. Its totient is φ = 1903693376.

The previous prime is 7138850261. The next prime is 7138850281. The reversal of 7138850280 is 820588317.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7138850281) 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, 29745090 + ... + 29745329.

It is an arithmetic number, because the mean of its divisors is an integer number (669267225).

Almost surely, 2^7138850280 is an apocalyptic number.

It is an amenable number.

7138850280 is an abundant number, since it is smaller than the sum of its proper divisors (14277700920).

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

7138850280 is a wasteful number, since it uses less digits than its factorization.

7138850280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59490433 (or 59490429 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 7138850280 is about 84491.7172271933. The cubic root of 7138850280 is about 1925.4966081429.

The spelling of 7138850280 in words is "seven billion, one hundred thirty-eight million, eight hundred fifty thousand, two hundred eighty".