1315475043740 has 96 divisors (see below), whose sum is σ = 3246914474496. Its totient is φ = 441359043840.

The previous prime is 1315475043731. The next prime is 1315475043791. The reversal of 1315475043740 is 473405745131.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 1315475043691 and 1315475043700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6312449 + ... + 6517511.

It is an arithmetic number, because the mean of its divisors is an integer number (33822025776).

Almost surely, 2^{1315475043740} is an apocalyptic number.

1315475043740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315475043740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1623457237248).

1315475043740 is an abundant number, since it is smaller than the sum of its proper divisors (1931439430756).

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

1315475043740 is a wasteful number, since it uses less digits than its factorization.

1315475043740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207339 (or 207337 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 1315475043740 in words is "one trillion, three hundred fifteen billion, four hundred seventy-five million, forty-three thousand, seven hundred forty".