40220312334 has 32 divisors (see below), whose sum is σ = 81232626816. Its totient is φ = 13275417120.

The previous prime is 40220312273. The next prime is 40220312347. The reversal of 40220312334 is 43321302204.

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, 168769 + ... + 330035.

It is an arithmetic number, because the mean of its divisors is an integer number (2538519588).

Almost surely, 2^40220312334 is an apocalyptic number.

40220312334 is an abundant number, since it is smaller than the sum of its proper divisors (41012314482).

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

40220312334 is a wasteful number, since it uses less digits than its factorization.

40220312334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161680.

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

Adding to 40220312334 its reverse (43321302204), we get a palindrome (83541614538).

The spelling of 40220312334 in words is "forty billion, two hundred twenty million, three hundred twelve thousand, three hundred thirty-four".