16452342740 has 24 divisors (see below), whose sum is σ = 34557534312. Its totient is φ = 6579486720.

The previous prime is 16452342713. The next prime is 16452342743. The reversal of 16452342740 is 4724325461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 567773584 + 15884569156 = 23828^2 + 126034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16452342694 and 16452342703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16452342743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4820 + ... + 181460.

It is an arithmetic number, because the mean of its divisors is an integer number (1439897263).

Almost surely, 2^16452342740 is an apocalyptic number.

16452342740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16452342740 is an abundant number, since it is smaller than the sum of its proper divisors (18105191572).

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

16452342740 is a wasteful number, since it uses less digits than its factorization.

16452342740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181307 (or 181305 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 16452342740 in words is "sixteen billion, four hundred fifty-two million, three hundred forty-two thousand, seven hundred forty".