40003120340244 has 36 divisors (see below), whose sum is σ = 101125519229280. Its totient is φ = 13333513588560.

The previous prime is 40003120340233. The next prime is 40003120340279. The reversal of 40003120340244 is 44204302130004.

It is a happy number.

40003120340244 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 312 + 0 + 340 + 2 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35261274 + ... + 36378065.

Almost surely, 2^{40003120340244} is an apocalyptic number.

It is an amenable number.

40003120340244 is an abundant number, since it is smaller than the sum of its proper divisors (61122398889036).

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

40003120340244 is a wasteful number, since it uses less digits than its factorization.

40003120340244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71654860 (or 71654855 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40003120340244 its reverse (44204302130004), we get a palindrome (84207422470248).

The spelling of 40003120340244 in words is "forty trillion, three billion, one hundred twenty million, three hundred forty thousand, two hundred forty-four".