141220312440 has 32 divisors (see below), whose sum is σ = 423660937680. Its totient is φ = 37658749952.

The previous prime is 141220312439. The next prime is 141220312483. The reversal of 141220312440 is 44213022141.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 141220312440.

It is a congruent number.

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, 588417849 + ... + 588418088.

Almost surely, 2^141220312440 is an apocalyptic number.

141220312440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141220312440 is an abundant number, since it is smaller than the sum of its proper divisors (282440625240).

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

141220312440 is a wasteful number, since it uses less digits than its factorization.

141220312440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176835951 (or 1176835947 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 141220312440 its reverse (44213022141), we get a palindrome (185433334581).

The spelling of 141220312440 in words is "one hundred forty-one billion, two hundred twenty million, three hundred twelve thousand, four hundred forty".