449150538 has 16 divisors (see below), whose sum is σ = 945580320. Its totient is φ = 141836976.

The previous prime is 449150501. The next prime is 449150543. The reversal of 449150538 is 835051944.

It is a junction number, because it is equal to n+sod(n) for n = 449150496 and 449150505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969845 + ... + 1970072.

It is an arithmetic number, because the mean of its divisors is an integer number (59098770).

Almost surely, 2^449150538 is an apocalyptic number.

449150538 is an abundant number, since it is smaller than the sum of its proper divisors (496429782).

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

449150538 is a wasteful number, since it uses less digits than its factorization.

449150538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939941.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 449150538 is about 21193.1719664613. The cubic root of 449150538 is about 765.8269429331.

The spelling of 449150538 in words is "four hundred forty-nine million, one hundred fifty thousand, five hundred thirty-eight".