40384416774 has 24 divisors (see below), whose sum is σ = 87459745032. Its totient is φ = 12425974080.

The previous prime is 40384416773. The next prime is 40384416803. The reversal of 40384416774 is 47761448304.

It is a super-2 number, since 2×40384416774² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40384416773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19912407 + ... + 19914434.

It is an arithmetic number, because the mean of its divisors is an integer number (3644156043).

Almost surely, 2^40384416774 is an apocalyptic number.

40384416774 is an abundant number, since it is smaller than the sum of its proper divisors (47075328258).

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

40384416774 is a wasteful number, since it uses less digits than its factorization.

40384416774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39826872 (or 39826859 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 40384416774 in words is "forty billion, three hundred eighty-four million, four hundred sixteen thousand, seven hundred seventy-four".