40220431134 has 32 divisors (see below), whose sum is σ = 87112609920. Its totient is φ = 12306376032.

The previous prime is 40220431073. The next prime is 40220431183. The reversal of 40220431134 is 43113402204.

40220431134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1426392 + ... + 1454315.

It is an arithmetic number, because the mean of its divisors is an integer number (2722269060).

Almost surely, 2^40220431134 is an apocalyptic number.

40220431134 is an abundant number, since it is smaller than the sum of its proper divisors (46892178786).

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

40220431134 is a wasteful number, since it uses less digits than its factorization.

40220431134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880904.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40220431134 its reverse (43113402204), we get a palindrome (83333833338).

The spelling of 40220431134 in words is "forty billion, two hundred twenty million, four hundred thirty-one thousand, one hundred thirty-four".