32215201540 has 24 divisors (see below), whose sum is σ = 69091327872. Its totient is φ = 12611908320.

The previous prime is 32215201531. The next prime is 32215201621. The reversal of 32215201540 is 4510251223.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17134806 + ... + 17136685.

It is an arithmetic number, because the mean of its divisors is an integer number (2878805328).

Almost surely, 2^32215201540 is an apocalyptic number.

It is an amenable number.

32215201540 is an abundant number, since it is smaller than the sum of its proper divisors (36876126332).

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

32215201540 is a wasteful number, since it uses less digits than its factorization.

32215201540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34271547 (or 34271545 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 32215201540 its reverse (4510251223), we get a palindrome (36725452763).

The spelling of 32215201540 in words is "thirty-two billion, two hundred fifteen million, two hundred one thousand, five hundred forty".