40011822396 has 360 divisors, whose sum is σ = 136749301920. Its totient is φ = 10092563712.

The previous prime is 40011822359. The next prime is 40011822407. The reversal of 40011822396 is 69322811004.

40011822396 is a `hidden beast` number, since 400 + 1 + 18 + 2 + 239 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40011822396.

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 119 ways as a sum of consecutive naturals, for example, 4742710 + ... + 4751138.

It is an arithmetic number, because the mean of its divisors is an integer number (379859172).

Almost surely, 2^40011822396 is an apocalyptic number.

40011822396 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40011822396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68374650960).

40011822396 is an abundant number, since it is smaller than the sum of its proper divisors (96737479524).

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

40011822396 is a wasteful number, since it uses less digits than its factorization.

40011822396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8495 (or 8477 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 40011822396 in words is "forty billion, eleven million, eight hundred twenty-two thousand, three hundred ninety-six".