40313220234 has 64 divisors (see below), whose sum is σ = 95081478912. Its totient is φ = 11155046400.

The previous prime is 40313220217. The next prime is 40313220239. The reversal of 40313220234 is 43202231304.

40313220234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40313220239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150474 + ... + 321354.

It is an arithmetic number, because the mean of its divisors is an integer number (1485648108).

Almost surely, 2^40313220234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40313220234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47540739456).

40313220234 is an abundant number, since it is smaller than the sum of its proper divisors (54768258678).

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

40313220234 is a wasteful number, since it uses less digits than its factorization.

40313220234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171071.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40313220234 its reverse (43202231304), we get a palindrome (83515451538).

The spelling of 40313220234 in words is "forty billion, three hundred thirteen million, two hundred twenty thousand, two hundred thirty-four".