40209319747344 has 120 divisors (see below), whose sum is σ = 114931769826496. Its totient is φ = 12103949088000.

The previous prime is 40209319747309. The next prime is 40209319747361. The reversal of 40209319747344 is 44374791390204.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22047139 + ... + 23801154.

Almost surely, 2^{40209319747344} is an apocalyptic number.

40209319747344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40209319747344 is an abundant number, since it is smaller than the sum of its proper divisors (74722450079152).

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

40209319747344 is a wasteful number, since it uses less digits than its factorization.

40209319747344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45848477 (or 45848460 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 57.

The spelling of 40209319747344 in words is "forty trillion, two hundred nine billion, three hundred nineteen million, seven hundred forty-seven thousand, three hundred forty-four".