440497512 has 96 divisors (see below), whose sum is σ = 1468346880. Its totient is φ = 116173440.

The previous prime is 440497487. The next prime is 440497513. The reversal of 440497512 is 215794044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (440497513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27064 + ... + 40167.

It is an arithmetic number, because the mean of its divisors is an integer number (15295280).

Almost surely, 2^440497512 is an apocalyptic number.

440497512 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

440497512 is an abundant number, since it is smaller than the sum of its proper divisors (1027849368).

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

440497512 is a wasteful number, since it uses less digits than its factorization.

440497512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67263 (or 67256 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 440497512 is about 20988.0325900262. The cubic root of 440497512 is about 760.8770530350.

The spelling of 440497512 in words is "four hundred forty million, four hundred ninety-seven thousand, five hundred twelve".