3318137540 has 12 divisors (see below), whose sum is σ = 6968088876. Its totient is φ = 1327255008.

The previous prime is 3318137533. The next prime is 3318137567. The reversal of 3318137540 is 457318133.

It can be written as a sum of positive squares in 2 ways, for example, as 1081225924 + 2236911616 = 32882^2 + 47296^2 .

It is a super-2 number, since 2×3318137540² = 22020073468714503200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3318137540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82953419 + ... + 82953458.

It is an arithmetic number, because the mean of its divisors is an integer number (580674073).

Almost surely, 2^3318137540 is an apocalyptic number.

It is an amenable number.

3318137540 is an abundant number, since it is smaller than the sum of its proper divisors (3649951336).

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

3318137540 is a wasteful number, since it uses less digits than its factorization.

3318137540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165906886 (or 165906884 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 3318137540 is about 57603.2771637170. The cubic root of 3318137540 is about 1491.5281740416.

The spelling of 3318137540 in words is "three billion, three hundred eighteen million, one hundred thirty-seven thousand, five hundred forty".