40031844366 has 16 divisors (see below), whose sum is σ = 80070235344. Its totient is φ = 13342857024.

The previous prime is 40031844337. The next prime is 40031844367. The reversal of 40031844366 is 66344813004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40031844367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191415 + ... + 341618.

It is an arithmetic number, because the mean of its divisors is an integer number (5004389709).

Almost surely, 2^40031844366 is an apocalyptic number.

40031844366 is an abundant number, since it is smaller than the sum of its proper divisors (40038390978).

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

40031844366 is a wasteful number, since it uses less digits than its factorization.

40031844366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545555.

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 40031844366 in words is "forty billion, thirty-one million, eight hundred forty-four thousand, three hundred sixty-six".