40423444132 has 24 divisors (see below), whose sum is σ = 72425598840. Its totient is φ = 19735253760.

The previous prime is 40423444123. The next prime is 40423444141. The reversal of 40423444132 is 23144432404.

40423444132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40423444123) and next prime (40423444141).

It can be written as a sum of positive squares in 4 ways, for example, as 445041216 + 39978402916 = 21096^2 + 199946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40423444094 and 40423444103.

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, 571207 + ... + 638062.

It is an arithmetic number, because the mean of its divisors is an integer number (3017733285).

Almost surely, 2^40423444132 is an apocalyptic number.

It is an amenable number.

40423444132 is a deficient number, since it is larger than the sum of its proper divisors (32002154708).

40423444132 is a wasteful number, since it uses less digits than its factorization.

40423444132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209471 (or 1209469 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40423444132 its reverse (23144432404), we get a palindrome (63567876536).

The spelling of 40423444132 in words is "forty billion, four hundred twenty-three million, four hundred forty-four thousand, one hundred thirty-two".