22131432312040 has 64 divisors (see below), whose sum is σ = 51972597077760. Its totient is φ = 8465748487680.

The previous prime is 22131432312037. The next prime is 22131432312071. The reversal of 22131432312040 is 4021323413122.

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, 1300492 + ... + 6778948.

It is an arithmetic number, because the mean of its divisors is an integer number (812071829340).

Almost surely, 2^{22131432312040} is an apocalyptic number.

22131432312040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131432312040 is an abundant number, since it is smaller than the sum of its proper divisors (29841164765720).

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

22131432312040 is a wasteful number, since it uses less digits than its factorization.

22131432312040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482882 (or 5482878 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 22131432312040 its reverse (4021323413122), we get a palindrome (26152755725162).

The spelling of 22131432312040 in words is "twenty-two trillion, one hundred thirty-one billion, four hundred thirty-two million, three hundred twelve thousand, forty".