440501146 has 4 divisors (see below), whose sum is σ = 660751722. Its totient is φ = 220250572.

The previous prime is 440501137. The next prime is 440501167. The reversal of 440501146 is 641105044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 399400225 + 41100921 = 19985^2 + 6411^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 440501146.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110125285 + ... + 110125288.

Almost surely, 2^440501146 is an apocalyptic number.

440501146 is a deficient number, since it is larger than the sum of its proper divisors (220250576).

440501146 is a wasteful number, since it uses less digits than its factorization.

440501146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220250575.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 440501146 is about 20988.1191629931. The cubic root of 440501146 is about 760.8791453810.

The spelling of 440501146 in words is "four hundred forty million, five hundred one thousand, one hundred forty-six".