1303397790840 has 96 divisors (see below), whose sum is σ = 4350530508480. Its totient is φ = 338178882816.

The previous prime is 1303397790823. The next prime is 1303397790859. The reversal of 1303397790840 is 480977933031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48913024 + ... + 48939663.

It is an arithmetic number, because the mean of its divisors is an integer number (45318026130).

Almost surely, 2^{1303397790840} is an apocalyptic number.

1303397790840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303397790840 is an abundant number, since it is smaller than the sum of its proper divisors (3047132717640).

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

1303397790840 is a wasteful number, since it uses less digits than its factorization.

1303397790840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97852741 (or 97852734 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 1303397790840 in words is "one trillion, three hundred three billion, three hundred ninety-seven million, seven hundred ninety thousand, eight hundred forty".