40120434235 has 8 divisors (see below), whose sum is σ = 55022309856. Its totient is φ = 27511154880.

The previous prime is 40120434199. The next prime is 40120434247. The reversal of 40120434235 is 53243402104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40120434235 - 2¹⁷ = 40120303163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573149026 + ... + 573149095.

It is an arithmetic number, because the mean of its divisors is an integer number (6877788732).

Almost surely, 2^40120434235 is an apocalyptic number.

40120434235 is a deficient number, since it is larger than the sum of its proper divisors (14901875621).

40120434235 is a wasteful number, since it uses less digits than its factorization.

40120434235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146298133.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40120434235 its reverse (53243402104), we get a palindrome (93363836339).

The spelling of 40120434235 in words is "forty billion, one hundred twenty million, four hundred thirty-four thousand, two hundred thirty-five".