440064925 has 12 divisors (see below), whose sum is σ = 550981600. Its totient is φ = 348631920.

The previous prime is 440064923. The next prime is 440064943. The reversal of 440064925 is 529460044.

It is not a de Polignac number, because 440064925 - 2¹ = 440064923 is a prime.

It is a super-3 number, since 3×440064925³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440064923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82875 + ... + 88024.

Almost surely, 2^440064925 is an apocalyptic number.

It is an amenable number.

440064925 is a deficient number, since it is larger than the sum of its proper divisors (110916675).

440064925 is a wasteful number, since it uses less digits than its factorization.

440064925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171012 (or 171007 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 440064925 is about 20977.7244952831. The cubic root of 440064925 is about 760.6279004167.

The spelling of 440064925 in words is "four hundred forty million, sixty-four thousand, nine hundred twenty-five".