18470628332 has 12 divisors (see below), whose sum is σ = 34810030416. Its totient is φ = 8524905360.

The previous prime is 18470628329. The next prime is 18470628359. The reversal of 18470628332 is 23382607481.

It is a super-2 number, since 2×18470628332² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177602144 + ... + 177602247.

It is an arithmetic number, because the mean of its divisors is an integer number (2900835868).

Almost surely, 2^18470628332 is an apocalyptic number.

It is an amenable number.

18470628332 is a deficient number, since it is larger than the sum of its proper divisors (16339402084).

18470628332 is a wasteful number, since it uses less digits than its factorization.

18470628332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355204408 (or 355204406 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 18470628332 in words is "eighteen billion, four hundred seventy million, six hundred twenty-eight thousand, three hundred thirty-two".