1540479386760 has 64 divisors (see below), whose sum is σ = 4621888702080. Its totient is φ = 410754455040.

The previous prime is 1540479386723. The next prime is 1540479386783. The reversal of 1540479386760 is 676839740451.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 1540479386694 and 1540479386703.

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, 620580 + ... + 1861740.

It is an arithmetic number, because the mean of its divisors is an integer number (72217010970).

Almost surely, 2^{1540479386760} is an apocalyptic number.

1540479386760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 1241160×1241161.

It is an amenable number.

1540479386760 is an abundant number, since it is smaller than the sum of its proper divisors (3081409315320).

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

1540479386760 is a wasteful number, since it uses less digits than its factorization.

1540479386760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251518 (or 1251514 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 1540479386760 in words is "one trillion, five hundred forty billion, four hundred seventy-nine million, three hundred eighty-six thousand, seven hundred sixty".