40010205234 has 32 divisors (see below), whose sum is σ = 80653890240. Its totient is φ = 13231212800.

The previous prime is 40010205161. The next prime is 40010205239. The reversal of 40010205234 is 43250201004.

It is a self number, because there is not a number n which added to its sum of digits gives 40010205234.

It is not an unprimeable number, because it can be changed into a prime (40010205239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5310382 + ... + 5317910.

It is an arithmetic number, because the mean of its divisors is an integer number (2520434070).

Almost surely, 2^40010205234 is an apocalyptic number.

40010205234 is an abundant number, since it is smaller than the sum of its proper divisors (40643685006).

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

40010205234 is a wasteful number, since it uses less digits than its factorization.

40010205234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14426.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 40010205234 its reverse (43250201004), we get a palindrome (83260406238).

The spelling of 40010205234 in words is "forty billion, ten million, two hundred five thousand, two hundred thirty-four".