18407409652 has 12 divisors (see below), whose sum is σ = 32236002400. Its totient is φ = 9197123256.

The previous prime is 18407409637. The next prime is 18407409653. The reversal of 18407409652 is 25690470481.

It is a super-2 number, since 2×18407409652² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18407409653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639098 + ... + 1650289.

Almost surely, 2^18407409652 is an apocalyptic number.

It is an amenable number.

18407409652 is a deficient number, since it is larger than the sum of its proper divisors (13828592748).

18407409652 is a wasteful number, since it uses less digits than its factorization.

18407409652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290790 (or 3290788 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 18407409652 in words is "eighteen billion, four hundred seven million, four hundred nine thousand, six hundred fifty-two".