1392040960838 has 16 divisors (see below), whose sum is σ = 2277910478736. Its totient is φ = 632738871840.

The previous prime is 1392040960829. The next prime is 1392040960861. The reversal of 1392040960838 is 8380690402931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1392040960838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2038820 + ... + 2634552.

It is an arithmetic number, because the mean of its divisors is an integer number (142369404921).

Almost surely, 2^{1392040960838} is an apocalyptic number.

1392040960838 is a deficient number, since it is larger than the sum of its proper divisors (885869517898).

1392040960838 is a wasteful number, since it uses less digits than its factorization.

1392040960838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701959.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 1392040960838 in words is "one trillion, three hundred ninety-two billion, forty million, nine hundred sixty thousand, eight hundred thirty-eight".