141220440 has 48 divisors (see below), whose sum is σ = 458967600. Its totient is φ = 37658688.

The previous prime is 141220423. The next prime is 141220463. The reversal of 141220440 is 44022141.

141220440 is a `hidden beast` number, since 1 + 4 + 1 + 220 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195780 + ... + 196499.

It is an arithmetic number, because the mean of its divisors is an integer number (9561825).

Almost surely, 2^141220440 is an apocalyptic number.

141220440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141220440 is an abundant number, since it is smaller than the sum of its proper divisors (317747160).

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

141220440 is a wasteful number, since it uses less digits than its factorization.

141220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392296 (or 392289 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 141220440 is about 11883.6206603880. The cubic root of 141220440 is about 520.7538867763.

Adding to 141220440 its reverse (44022141), we get a palindrome (185242581).

The spelling of 141220440 in words is "one hundred forty-one million, two hundred twenty thousand, four hundred forty".