40322334440 has 16 divisors (see below), whose sum is σ = 90725252580. Its totient is φ = 16128933760.

The previous prime is 40322334419. The next prime is 40322334449. The reversal of 40322334440 is 4443322304.

It can be written as a sum of positive squares in 2 ways, for example, as 38858659876 + 1463674564 = 197126^2 + 38258^2 .

It is a super-2 number, since 2×40322334440² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40322334449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504029141 + ... + 504029220.

Almost surely, 2^40322334440 is an apocalyptic number.

40322334440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40322334440 is an abundant number, since it is smaller than the sum of its proper divisors (50402918140).

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

40322334440 is a wasteful number, since it uses less digits than its factorization.

40322334440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008058372 (or 1008058368 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 40322334440 its reverse (4443322304), we get a palindrome (44765656744).

The spelling of 40322334440 in words is "forty billion, three hundred twenty-two million, three hundred thirty-four thousand, four hundred forty".