140426808804 has 18 divisors (see below), whose sum is σ = 354967766790. Its totient is φ = 46808936256.

The previous prime is 140426808757. The next prime is 140426808853. The reversal of 140426808804 is 408808624041.

140426808804 is a `hidden beast` number, since 140 + 426 + 8 + 0 + 8 + 80 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 126337593600 + 14089215204 = 355440^2 + 118698^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 140426808804.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1950372309 + ... + 1950372380.

Almost surely, 2^140426808804 is an apocalyptic number.

It is an amenable number.

140426808804 is an abundant number, since it is smaller than the sum of its proper divisors (214540957986).

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

140426808804 is a wasteful number, since it uses less digits than its factorization.

140426808804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900744699 (or 3900744694 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 140426808804 in words is "one hundred forty billion, four hundred twenty-six million, eight hundred eight thousand, eight hundred four".