404377734040 has 32 divisors (see below), whose sum is σ = 1039828459680. Its totient is φ = 138643794432.

The previous prime is 404377734037. The next prime is 404377734071. The reversal of 404377734040 is 40437773404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722102817 + ... + 722103376.

It is an arithmetic number, because the mean of its divisors is an integer number (32494639365).

Almost surely, 2^404377734040 is an apocalyptic number.

404377734040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404377734040 is an abundant number, since it is smaller than the sum of its proper divisors (635450725640).

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

404377734040 is a wasteful number, since it uses less digits than its factorization.

404377734040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444206211 (or 1444206207 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 43.

The spelling of 404377734040 in words is "four hundred four billion, three hundred seventy-seven million, seven hundred thirty-four thousand, forty".