440267478 has 16 divisors (see below), whose sum is σ = 1006325760. Its totient is φ = 125790696.

The previous prime is 440267437. The next prime is 440267483. The reversal of 440267478 is 874762044.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 10482559 = 440267478 / (4 + 4 + 0 + 2 + 6 + 7 + 4 + 7 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5241238 + ... + 5241321.

It is an arithmetic number, because the mean of its divisors is an integer number (62895360).

Almost surely, 2^440267478 is an apocalyptic number.

440267478 is an abundant number, since it is smaller than the sum of its proper divisors (566058282).

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

440267478 is a wasteful number, since it uses less digits than its factorization.

440267478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10482571.

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 440267478 is about 20982.5517513957. The cubic root of 440267478 is about 760.7445830714.

The spelling of 440267478 in words is "four hundred forty million, two hundred sixty-seven thousand, four hundred seventy-eight".