440507097 has 12 divisors (see below), whose sum is σ = 636557844. Its totient is φ = 293546880.

The previous prime is 440507059. The next prime is 440507099. The reversal of 440507097 is 790705044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 238980681 + 201526416 = 15459^2 + 14196^2 .

It is not a de Polignac number, because 440507097 - 2¹⁵ = 440474329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440507099) 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, 15397 + ... + 33437.

It is an arithmetic number, because the mean of its divisors is an integer number (53046487).

Almost surely, 2^440507097 is an apocalyptic number.

It is an amenable number.

440507097 is a deficient number, since it is larger than the sum of its proper divisors (196050747).

440507097 is a wasteful number, since it uses less digits than its factorization.

440507097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20760 (or 20757 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 440507097 is about 20988.2609331979. The cubic root of 440507097 is about 760.8825717599.

The spelling of 440507097 in words is "four hundred forty million, five hundred seven thousand, ninety-seven".