1392660420324 has 12 divisors (see below), whose sum is σ = 3249540980784. Its totient is φ = 464220140104.

The previous prime is 1392660420323. The next prime is 1392660420353. The reversal of 1392660420324 is 4230240662931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1392660420323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58027517502 + ... + 58027517525.

It is an arithmetic number, because the mean of its divisors is an integer number (270795081732).

Almost surely, 2^{1392660420324} is an apocalyptic number.

It is an amenable number.

1392660420324 is an abundant number, since it is smaller than the sum of its proper divisors (1856880560460).

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

1392660420324 is a wasteful number, since it uses less digits than its factorization.

1392660420324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116055035034 (or 116055035032 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 1392660420324 in words is "one trillion, three hundred ninety-two billion, six hundred sixty million, four hundred twenty thousand, three hundred twenty-four".