404255277139 has 4 divisors (see below), whose sum is σ = 462006031024. Its totient is φ = 346504523256.

The previous prime is 404255277133. The next prime is 404255277143. The reversal of 404255277139 is 931772552404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404255277139 - 2²¹ = 404253179987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404255277092 and 404255277101.

It is not an unprimeable number, because it can be changed into a prime (404255277133) 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, 28875376932 + ... + 28875376945.

It is an arithmetic number, because the mean of its divisors is an integer number (115501507756).

Almost surely, 2^404255277139 is an apocalyptic number.

404255277139 is a deficient number, since it is larger than the sum of its proper divisors (57750753885).

404255277139 is an equidigital number, since it uses as much as digits as its factorization.

404255277139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57750753884.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 404255277139 in words is "four hundred four billion, two hundred fifty-five million, two hundred seventy-seven thousand, one hundred thirty-nine".