32002540240 has 160 divisors (see below), whose sum is σ = 83570901120. Its totient is φ = 11294668800.

The previous prime is 32002540231. The next prime is 32002540243. The reversal of 32002540240 is 4204520023.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32002540243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16572075 + ... + 16574005.

It is an arithmetic number, because the mean of its divisors is an integer number (522318132).

Almost surely, 2^32002540240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32002540240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41785450560).

32002540240 is an abundant number, since it is smaller than the sum of its proper divisors (51568360880).

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

32002540240 is a wasteful number, since it uses less digits than its factorization.

32002540240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2495 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The spelling of 32002540240 in words is "thirty-two billion, two million, five hundred forty thousand, two hundred forty".