1315145446240 has 48 divisors (see below), whose sum is σ = 3191004945072. Its totient is φ = 511840387584.

The previous prime is 1315145446231. The next prime is 1315145446271. The reversal of 1315145446240 is 426445415131.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1315145446193 and 1315145446202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111070554 + ... + 111082393.

It is an arithmetic number, because the mean of its divisors is an integer number (66479269689).

Almost surely, 2^{1315145446240} is an apocalyptic number.

1315145446240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315145446240 is an abundant number, since it is smaller than the sum of its proper divisors (1875859498832).

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

1315145446240 is a wasteful number, since it uses less digits than its factorization.

1315145446240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222152999 (or 222152991 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 1315145446240 in words is "one trillion, three hundred fifteen billion, one hundred forty-five million, four hundred forty-six thousand, two hundred forty".