32247742240 has 48 divisors (see below), whose sum is σ = 87068907072. Its totient is φ = 11056368384.

The previous prime is 32247742223. The next prime is 32247742243. The reversal of 32247742240 is 4224774223.

It is a self number, because there is not a number n which added to its sum of digits gives 32247742240.

It is not an unprimeable number, because it can be changed into a prime (32247742243) 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 7 ways as a sum of consecutive naturals, for example, 14395194 + ... + 14397433.

It is an arithmetic number, because the mean of its divisors is an integer number (1813935564).

Almost surely, 2^32247742240 is an apocalyptic number.

It is an amenable number.

32247742240 is an abundant number, since it is smaller than the sum of its proper divisors (54821164832).

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

32247742240 is a wasteful number, since it uses less digits than its factorization.

32247742240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28792649 (or 28792641 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 37.

The spelling of 32247742240 in words is "thirty-two billion, two hundred forty-seven million, seven hundred forty-two thousand, two hundred forty".