440069730 has 32 divisors (see below), whose sum is σ = 1061710848. Its totient is φ = 116736000.

The previous prime is 440069723. The next prime is 440069753. The reversal of 440069730 is 37960044.

It is a super-2 number, since 2×440069730² = 387322734524545800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440069691 and 440069700.

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, 32671 + ... + 44130.

It is an arithmetic number, because the mean of its divisors is an integer number (33178464).

Almost surely, 2^440069730 is an apocalyptic number.

440069730 is an abundant number, since it is smaller than the sum of its proper divisors (621641118).

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

440069730 is a wasteful number, since it uses less digits than its factorization.

440069730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77002.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 440069730 is about 20977.8390212147. The cubic root of 440069730 is about 760.6306687989.

The spelling of 440069730 in words is "four hundred forty million, sixty-nine thousand, seven hundred thirty".