1396928040858 has 48 divisors (see below), whose sum is σ = 3459349535616. Its totient is φ = 399088879200.

The previous prime is 1396928040841. The next prime is 1396928040869. The reversal of 1396928040858 is 8580408296931.

1396928040858 is a `hidden beast` number, since 1 + 3 + 96 + 92 + 8 + 0 + 408 + 58 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 1396928040795 and 1396928040804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1066635 + ... + 1982817.

It is an arithmetic number, because the mean of its divisors is an integer number (72069781992).

Almost surely, 2^{1396928040858} is an apocalyptic number.

1396928040858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1396928040858 is an abundant number, since it is smaller than the sum of its proper divisors (2062421494758).

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

1396928040858 is a wasteful number, since it uses less digits than its factorization.

1396928040858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928299 (or 928296 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 1396928040858 in words is "one trillion, three hundred ninety-six billion, nine hundred twenty-eight million, forty thousand, eight hundred fifty-eight".