32215205340 has 36 divisors (see below), whose sum is σ = 97719456744. Its totient is φ = 8590721376.

The previous prime is 32215205333. The next prime is 32215205357. The reversal of 32215205340 is 4350251223.

It is a happy number.

32215205340 is a `hidden beast` number, since 32 + 21 + 520 + 53 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89486502 + ... + 89486861.

It is an arithmetic number, because the mean of its divisors is an integer number (2714429354).

Almost surely, 2^32215205340 is an apocalyptic number.

32215205340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32215205340 is an abundant number, since it is smaller than the sum of its proper divisors (65504251404).

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

32215205340 is a wasteful number, since it uses less digits than its factorization.

32215205340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178973378 (or 178973373 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 32215205340 its reverse (4350251223), we get a palindrome (36565456563).

The spelling of 32215205340 in words is "thirty-two billion, two hundred fifteen million, two hundred five thousand, three hundred forty".