1318040372 has 48 divisors (see below), whose sum is σ = 2608744320. Its totient is φ = 577180800.

The previous prime is 1318040357. The next prime is 1318040419. The reversal of 1318040372 is 2730408131.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804338 + ... + 805974.

It is an arithmetic number, because the mean of its divisors is an integer number (54348840).

Almost surely, 2^1318040372 is an apocalyptic number.

It is an amenable number.

1318040372 is a deficient number, since it is larger than the sum of its proper divisors (1290703948).

1318040372 is a wasteful number, since it uses less digits than its factorization.

1318040372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1318040372 is about 36304.8257398379. The cubic root of 1318040372 is about 1096.4182042399.

The spelling of 1318040372 in words is "one billion, three hundred eighteen million, forty thousand, three hundred seventy-two".