440146051 has 8 divisors (see below), whose sum is σ = 446123520. Its totient is φ = 434178888.

The previous prime is 440146013. The next prime is 440146073. The reversal of 440146051 is 150641044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440146051 - 2⁹ = 440145539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440146451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125220 + ... + 128686.

It is an arithmetic number, because the mean of its divisors is an integer number (55765440).

Almost surely, 2^440146051 is an apocalyptic number.

440146051 is a deficient number, since it is larger than the sum of its proper divisors (5977469).

440146051 is a wasteful number, since it uses less digits than its factorization.

440146051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153.

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

The square root of 440146051 is about 20979.6580286715. The cubic root of 440146051 is about 760.6746381472.

Adding to 440146051 its reverse (150641044), we get a palindrome (590787095).

The spelling of 440146051 in words is "four hundred forty million, one hundred forty-six thousand, fifty-one".