1397532622460 has 48 divisors (see below), whose sum is σ = 3212386498272. Its totient is φ = 507552825600.

The previous prime is 1397532622373. The next prime is 1397532622477. The reversal of 1397532622460 is 642262357931.

It is a junction number, because it is equal to n+sod(n) for n = 1397532622399 and 1397532622408.

It is a congruent number.

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, 44042546 + ... + 44074265.

It is an arithmetic number, because the mean of its divisors is an integer number (66924718714).

Almost surely, 2^{1397532622460} is an apocalyptic number.

1397532622460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397532622460 is an abundant number, since it is smaller than the sum of its proper divisors (1814853875812).

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

1397532622460 is a wasteful number, since it uses less digits than its factorization.

1397532622460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88116894 (or 88116892 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 1397532622460 in words is "one trillion, three hundred ninety-seven billion, five hundred thirty-two million, six hundred twenty-two thousand, four hundred sixty".