32199387450 has 48 divisors (see below), whose sum is σ = 81553530240. Its totient is φ = 8403809920.

The previous prime is 32199387449. The next prime is 32199387461. The reversal of 32199387450 is 5478399123.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32199387393 and 32199387402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2276595 + ... + 2290694.

It is an arithmetic number, because the mean of its divisors is an integer number (1699031880).

Almost surely, 2^32199387450 is an apocalyptic number.

32199387450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32199387450 is an abundant number, since it is smaller than the sum of its proper divisors (49354142790).

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

32199387450 is a wasteful number, since it uses less digits than its factorization.

32199387450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4567351 (or 4567346 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 32199387450 in words is "thirty-two billion, one hundred ninety-nine million, three hundred eighty-seven thousand, four hundred fifty".