404187880348 has 18 divisors (see below), whose sum is σ = 822811042536. Its totient is φ = 173223377208.

The previous prime is 404187880267. The next prime is 404187880381. The reversal of 404187880348 is 843088781404.

It is a super-2 number, since 2×404187880348² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1031091336 + ... + 1031091727.

Almost surely, 2^404187880348 is an apocalyptic number.

It is an amenable number.

404187880348 is an abundant number, since it is smaller than the sum of its proper divisors (418623162188).

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

404187880348 is a wasteful number, since it uses less digits than its factorization.

404187880348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062183081 (or 2062183072 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 55.

The spelling of 404187880348 in words is "four hundred four billion, one hundred eighty-seven million, eight hundred eighty thousand, three hundred forty-eight".