1397456393352 has 256 divisors, whose sum is σ = 3901076121600. Its totient is φ = 414915072000.

The previous prime is 1397456393339. The next prime is 1397456393371. The reversal of 1397456393352 is 2533936547931.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 369793399 + ... + 369797177.

It is an arithmetic number, because the mean of its divisors is an integer number (15238578600).

Almost surely, 2^{1397456393352} is an apocalyptic number.

1397456393352 is a gapful number since it is divisible by the number (12) 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 1397456393352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1950538060800).

1397456393352 is an abundant number, since it is smaller than the sum of its proper divisors (2503619728248).

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

1397456393352 is a wasteful number, since it uses less digits than its factorization.

1397456393352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236 (or 4232 counting only the distinct ones).

The product of its digits is 55112400, while the sum is 60.

The spelling of 1397456393352 in words is "one trillion, three hundred ninety-seven billion, four hundred fifty-six million, three hundred ninety-three thousand, three hundred fifty-two".