40382774272 has 44 divisors (see below), whose sum is σ = 80909247096. Its totient is φ = 20145582080.

The previous prime is 40382774269. The next prime is 40382774281. The reversal of 40382774272 is 27247728304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409122 + ... + 498142.

Almost surely, 2^40382774272 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 40382774272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40454623548).

40382774272 is an abundant number, since it is smaller than the sum of its proper divisors (40526472824).

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

40382774272 is an equidigital number, since it uses as much as digits as its factorization.

40382774272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89484 (or 89466 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 46.

The spelling of 40382774272 in words is "forty billion, three hundred eighty-two million, seven hundred seventy-four thousand, two hundred seventy-two".