449861626804 has 12 divisors (see below), whose sum is σ = 789513602500. Its totient is φ = 224286311808.

The previous prime is 449861626777. The next prime is 449861626849. The reversal of 449861626804 is 408626168944.

It can be written as a sum of positive squares in 2 ways, for example, as 216280803600 + 233580823204 = 465060^2 + 483302^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161123829 + ... + 161126620.

Almost surely, 2^449861626804 is an apocalyptic number.

It is an amenable number.

449861626804 is a deficient number, since it is larger than the sum of its proper divisors (339651975696).

449861626804 is a wasteful number, since it uses less digits than its factorization.

449861626804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322250802 (or 322250800 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 58.

The spelling of 449861626804 in words is "four hundred forty-nine billion, eight hundred sixty-one million, six hundred twenty-six thousand, eight hundred four".