1375918333440 has 160 divisors (see below), whose sum is σ = 5027016107520. Its totient is φ = 314495606784.

The previous prime is 1375918333409. The next prime is 1375918333453. The reversal of 1375918333440 is 443338195731.

It is a tau number, because it is divible by the number of its divisors (160).

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, 12743100 + ... + 12850619.

It is an arithmetic number, because the mean of its divisors is an integer number (31418850672).

Almost surely, 2^{1375918333440} is an apocalyptic number.

1375918333440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375918333440 is an abundant number, since it is smaller than the sum of its proper divisors (3651097774080).

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

1375918333440 is an equidigital number, since it uses as much as digits as its factorization.

1375918333440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25593752 (or 25593736 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 1375918333440 in words is "one trillion, three hundred seventy-five billion, nine hundred eighteen million, three hundred thirty-three thousand, four hundred forty".