32193501428 has 24 divisors (see below), whose sum is σ = 64695076320. Its totient is φ = 13863229920.

The previous prime is 32193501383. The next prime is 32193501449. The reversal of 32193501428 is 82410539123.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 32193501391 and 32193501400.

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, 19253651 + ... + 19255322.

It is an arithmetic number, because the mean of its divisors is an integer number (2695628180).

Almost surely, 2^32193501428 is an apocalyptic number.

32193501428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

32193501428 is an abundant number, since it is smaller than the sum of its proper divisors (32501574892).

32193501428 is a wasteful number, since it uses less digits than its factorization.

32193501428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38509007 (or 38509005 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 32193501428 in words is "thirty-two billion, one hundred ninety-three million, five hundred one thousand, four hundred twenty-eight".