1318724969240 has 64 divisors (see below), whose sum is σ = 3473714583360. Its totient is φ = 441106606080.

The previous prime is 1318724969239. The next prime is 1318724969299. The reversal of 1318724969240 is 429694278131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57424277 + ... + 57447236.

It is an arithmetic number, because the mean of its divisors is an integer number (54276790365).

Almost surely, 2^{1318724969240} is an apocalyptic number.

1318724969240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1318724969240 is an abundant number, since it is smaller than the sum of its proper divisors (2154989614120).

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

1318724969240 is a wasteful number, since it uses less digits than its factorization.

1318724969240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114871572 (or 114871568 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 1318724969240 in words is "one trillion, three hundred eighteen billion, seven hundred twenty-four million, nine hundred sixty-nine thousand, two hundred forty".