32001401240 has 16 divisors (see below), whose sum is σ = 72003152880. Its totient is φ = 12800560480.

The previous prime is 32001401213. The next prime is 32001401251. The reversal of 32001401240 is 4210410023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400017476 + ... + 400017555.

It is an arithmetic number, because the mean of its divisors is an integer number (4500197055).

Almost surely, 2^32001401240 is an apocalyptic number.

It is an amenable number.

32001401240 is an abundant number, since it is smaller than the sum of its proper divisors (40001751640).

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

32001401240 is a wasteful number, since it uses less digits than its factorization.

32001401240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800035042 (or 800035038 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 32001401240 its reverse (4210410023), we get a palindrome (36211811263).

The spelling of 32001401240 in words is "thirty-two billion, one million, four hundred one thousand, two hundred forty".