32505380742 has 32 divisors (see below), whose sum is σ = 67266586080. Its totient is φ = 10459312640.

The previous prime is 32505380731. The next prime is 32505380777. The reversal of 32505380742 is 24708350523.

It is a super-3 number, since 3×32505380742³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32505380742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952942 + ... + 986462.

It is an arithmetic number, because the mean of its divisors is an integer number (2102080815).

Almost surely, 2^32505380742 is an apocalyptic number.

32505380742 is an abundant number, since it is smaller than the sum of its proper divisors (34761205338).

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

32505380742 is a wasteful number, since it uses less digits than its factorization.

32505380742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39128.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 32505380742 in words is "thirty-two billion, five hundred five million, three hundred eighty thousand, seven hundred forty-two".