440455142 has 32 divisors (see below), whose sum is σ = 721768320. Its totient is φ = 200780800.

The previous prime is 440455123. The next prime is 440455163. The reversal of 440455142 is 241554044.

It is a super-2 number, since 2×440455142² = 388001464228480328, which contains 22 as substring.

It is a congruent number.

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, 160034 + ... + 162762.

It is an arithmetic number, because the mean of its divisors is an integer number (22555260).

Almost surely, 2^440455142 is an apocalyptic number.

440455142 is a deficient number, since it is larger than the sum of its proper divisors (281313178).

440455142 is a wasteful number, since it uses less digits than its factorization.

440455142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 440455142 is about 20987.0231810040. The cubic root of 440455142 is about 760.8526568364.

The spelling of 440455142 in words is "four hundred forty million, four hundred fifty-five thousand, one hundred forty-two".