440525142 has 20 divisors (see below), whose sum is σ = 987102996. Its totient is φ = 146841660.

The previous prime is 440525123. The next prime is 440525179. The reversal of 440525142 is 241525044.

440525142 is a `hidden beast` number, since 4 + 405 + 251 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 9 ways as a sum of consecutive naturals, for example, 1359484 + ... + 1359807.

Almost surely, 2^440525142 is an apocalyptic number.

440525142 is an abundant number, since it is smaller than the sum of its proper divisors (546577854).

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

440525142 is a wasteful number, since it uses less digits than its factorization.

440525142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719305 (or 2719296 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 440525142 is about 20988.6908119587. The cubic root of 440525142 is about 760.8929612546.

It can be divided in two parts, 44052 and 5142, that added together give a palindrome (49194).

The spelling of 440525142 in words is "four hundred forty million, five hundred twenty-five thousand, one hundred forty-two".