7138580418 has 48 divisors (see below), whose sum is σ = 15633349056. Its totient is φ = 2353972320.

The previous prime is 7138580389. The next prime is 7138580431. The reversal of 7138580418 is 8140858317.

It is a happy 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, 2959633 + ... + 2962043.

It is an arithmetic number, because the mean of its divisors is an integer number (325694772).

Almost surely, 2^7138580418 is an apocalyptic number.

7138580418 is an abundant number, since it is smaller than the sum of its proper divisors (8494768638).

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

7138580418 is a wasteful number, since it uses less digits than its factorization.

7138580418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119 (or 4116 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 7138580418 is about 84490.1202389960. The cubic root of 7138580418 is about 1925.4723453699.

The spelling of 7138580418 in words is "seven billion, one hundred thirty-eight million, five hundred eighty thousand, four hundred eighteen".