40394483376 has 80 divisors (see below), whose sum is σ = 112504465920. Its totient is φ = 12415253760.

The previous prime is 40394483359. The next prime is 40394483407. The reversal of 40394483376 is 67338449304.

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 15 ways as a sum of consecutive naturals, for example, 532935 + ... + 603993.

It is an arithmetic number, because the mean of its divisors is an integer number (1406305824).

Almost surely, 2^40394483376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40394483376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56252232960).

40394483376 is an abundant number, since it is smaller than the sum of its proper divisors (72109982544).

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

40394483376 is a wasteful number, since it uses less digits than its factorization.

40394483376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71994 (or 71988 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 51.

The spelling of 40394483376 in words is "forty billion, three hundred ninety-four million, four hundred eighty-three thousand, three hundred seventy-six".