40120431230334 has 32 divisors (see below), whose sum is σ = 98757984568320. Its totient is φ = 10581212632032.

The previous prime is 40120431230311. The next prime is 40120431230461. The reversal of 40120431230334 is 43303213402104.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36740321094 + ... + 36740322185.

It is an arithmetic number, because the mean of its divisors is an integer number (3086187017760).

Almost surely, 2^{40120431230334} is an apocalyptic number.

40120431230334 is an abundant number, since it is smaller than the sum of its proper divisors (58637553337986).

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

40120431230334 is a wasteful number, since it uses less digits than its factorization.

40120431230334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73480643304.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 40120431230334 its reverse (43303213402104), we get a palindrome (83423644632438).

The spelling of 40120431230334 in words is "forty trillion, one hundred twenty billion, four hundred thirty-one million, two hundred thirty thousand, three hundred thirty-four".