404122645248 has 72 divisors (see below), whose sum is σ = 1229206395648. Its totient is φ = 115463611392.

The previous prime is 404122645229. The next prime is 404122645273. The reversal of 404122645248 is 842546221404.

It is a super-2 number, since 2×404122645248² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 37580436 + ... + 37591187.

Almost surely, 2^404122645248 is an apocalyptic number.

404122645248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

404122645248 is an abundant number, since it is smaller than the sum of its proper divisors (825083750400).

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

404122645248 is an equidigital number, since it uses as much as digits as its factorization.

404122645248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75171649 (or 75171635 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 42.

The spelling of 404122645248 in words is "four hundred four billion, one hundred twenty-two million, six hundred forty-five thousand, two hundred forty-eight".