440428374 has 16 divisors (see below), whose sum is σ = 978729840. Its totient is φ = 146809440.

The previous prime is 440428363. The next prime is 440428381. The reversal of 440428374 is 473824044.

It is a happy number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 4077987 + ... + 4078094.

It is an arithmetic number, because the mean of its divisors is an integer number (61170615).

Almost surely, 2^440428374 is an apocalyptic number.

440428374 is an abundant number, since it is smaller than the sum of its proper divisors (538301466).

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

440428374 is a wasteful number, since it uses less digits than its factorization.

440428374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156092 (or 8156086 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The square root of 440428374 is about 20986.3854439015. The cubic root of 440428374 is about 760.8372432982.

The spelling of 440428374 in words is "four hundred forty million, four hundred twenty-eight thousand, three hundred seventy-four".