404494940740 has 24 divisors (see below), whose sum is σ = 926661137472. Its totient is φ = 147089069280.

The previous prime is 404494940713. The next prime is 404494940753. The reversal of 404494940740 is 47049494404.

It is a super-2 number, since 2×404494940740² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919306464 + ... + 919306903.

It is an arithmetic number, because the mean of its divisors is an integer number (38610880728).

Almost surely, 2^404494940740 is an apocalyptic number.

It is an amenable number.

404494940740 is an abundant number, since it is smaller than the sum of its proper divisors (522166196732).

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

404494940740 is a wasteful number, since it uses less digits than its factorization.

404494940740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838613387 (or 1838613385 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 404494940740 in words is "four hundred four billion, four hundred ninety-four million, nine hundred forty thousand, seven hundred forty".