43500452340 has 24 divisors (see below), whose sum is σ = 121801266720. Its totient is φ = 11600120608.

The previous prime is 43500452321. The next prime is 43500452393. The reversal of 43500452340 is 4325400534.

It is a super-2 number, since 2×43500452340² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 43500452298 and 43500452307.

It is a congruent number.

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, 362503710 + ... + 362503829.

It is an arithmetic number, because the mean of its divisors is an integer number (5075052780).

Almost surely, 2^43500452340 is an apocalyptic number.

It is an amenable number.

43500452340 is an abundant number, since it is smaller than the sum of its proper divisors (78300814380).

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

43500452340 is a wasteful number, since it uses less digits than its factorization.

43500452340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725007551 (or 725007549 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 43500452340 its reverse (4325400534), we get a palindrome (47825852874).

The spelling of 43500452340 in words is "forty-three billion, five hundred million, four hundred fifty-two thousand, three hundred forty".