32340134440 has 64 divisors (see below), whose sum is σ = 73480478400. Its totient is φ = 12809137152.

The previous prime is 32340134413. The next prime is 32340134471. The reversal of 32340134440 is 4443104323.

It is a super-2 number, since 2×32340134440² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32340134399 and 32340134408.

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, 5687839 + ... + 5693521.

It is an arithmetic number, because the mean of its divisors is an integer number (1148132475).

Almost surely, 2^32340134440 is an apocalyptic number.

It is an amenable number.

32340134440 is an abundant number, since it is smaller than the sum of its proper divisors (41140343960).

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

32340134440 is a wasteful number, since it uses less digits than its factorization.

32340134440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066 (or 7062 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 32340134440 its reverse (4443104323), we get a palindrome (36783238763).

The spelling of 32340134440 in words is "thirty-two billion, three hundred forty million, one hundred thirty-four thousand, four hundred forty".