440451342 has 24 divisors (see below), whose sum is σ = 963070680. Its totient is φ = 145469520.

The previous prime is 440451337. The next prime is 440451353. The reversal of 440451342 is 243154044.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110284 + ... + 114207.

It is an arithmetic number, because the mean of its divisors is an integer number (40127945).

Almost surely, 2^440451342 is an apocalyptic number.

440451342 is an abundant number, since it is smaller than the sum of its proper divisors (522619338).

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

440451342 is a wasteful number, since it uses less digits than its factorization.

440451342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224608 (or 224605 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 440451342 is about 20986.9326486745. The cubic root of 440451342 is about 760.8504687601.

The spelling of 440451342 in words is "four hundred forty million, four hundred fifty-one thousand, three hundred forty-two".