40023422032 has 160 divisors (see below), whose sum is σ = 90084234240. Its totient is φ = 17048232960.

The previous prime is 40023422027. The next prime is 40023422041. The reversal of 40023422032 is 23022432004.

It is a super-2 number, since 2×40023422032² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40023421994 and 40023422012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46701348 + ... + 46702204.

It is an arithmetic number, because the mean of its divisors is an integer number (563026464).

Almost surely, 2^40023422032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40023422032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45042117120).

40023422032 is an abundant number, since it is smaller than the sum of its proper divisors (50060812208).

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

40023422032 is a wasteful number, since it uses less digits than its factorization.

40023422032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 40023422032 its reverse (23022432004), we get a palindrome (63045854036).

It can be divided in two parts, 400 and 23422032, that added together give a palindrome (23422432).

The spelling of 40023422032 in words is "forty billion, twenty-three million, four hundred twenty-two thousand, thirty-two".