445240436 has 6 divisors (see below), whose sum is σ = 779170770. Its totient is φ = 222620216.

The previous prime is 445240429. The next prime is 445240457. The reversal of 445240436 is 634042544.

It can be written as a sum of positive squares in only one way, i.e., 437060836 + 8179600 = 20906^2 + 2860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55655051 + ... + 55655058.

It is an arithmetic number, because the mean of its divisors is an integer number (129861795).

Almost surely, 2^445240436 is an apocalyptic number.

It is an amenable number.

445240436 is a deficient number, since it is larger than the sum of its proper divisors (333930334).

445240436 is a wasteful number, since it uses less digits than its factorization.

445240436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111310113 (or 111310111 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 445240436 is about 21100.7212199015. The cubic root of 445240436 is about 763.5981480893.

The spelling of 445240436 in words is "four hundred forty-five million, two hundred forty thousand, four hundred thirty-six".