440354445 has 16 divisors (see below), whose sum is σ = 711545472. Its totient is φ = 232529600.

The previous prime is 440354429. The next prime is 440354459. The reversal of 440354445 is 544453044.

It is a happy number.

It is not a de Polignac number, because 440354445 - 2⁴ = 440354429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143817 + ... + 146846.

It is an arithmetic number, because the mean of its divisors is an integer number (44471592).

Almost surely, 2^440354445 is an apocalyptic number.

It is an amenable number.

440354445 is a deficient number, since it is larger than the sum of its proper divisors (271191027).

440354445 is a wasteful number, since it uses less digits than its factorization.

440354445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290772.

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 440354445 is about 20984.6240137869. The cubic root of 440354445 is about 760.7946702887.

The spelling of 440354445 in words is "four hundred forty million, three hundred fifty-four thousand, four hundred forty-five".