1396540422844 has 36 divisors (see below), whose sum is σ = 2843026747680. Its totient is φ = 598502701440.

The previous prime is 1396540422833. The next prime is 1396540422869. The reversal of 1396540422844 is 4482240456931.

It is a junction number, because it is equal to n+sod(n) for n = 1396540422791 and 1396540422800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12844429 + ... + 12952699.

Almost surely, 2^{1396540422844} is an apocalyptic number.

1396540422844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1396540422844 is an abundant number, since it is smaller than the sum of its proper divisors (1446486324836).

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

1396540422844 is a wasteful number, since it uses less digits than its factorization.

1396540422844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174098 (or 174089 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 1396540422844 in words is "one trillion, three hundred ninety-six billion, five hundred forty million, four hundred twenty-two thousand, eight hundred forty-four".