1449806904 has 384 divisors, whose sum is σ = 5188276800. Its totient is φ = 371589120.

The previous prime is 1449806893. The next prime is 1449806921. The reversal of 1449806904 is 4096089441.

It is a self number, because there is not a number n which added to its sum of digits gives 1449806904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5641144 + ... + 5641400.

Almost surely, 2^1449806904 is an apocalyptic number.

1449806904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449806904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2594138400).

1449806904 is an abundant number, since it is smaller than the sum of its proper divisors (3738469896).

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

1449806904 is a wasteful number, since it uses less digits than its factorization.

1449806904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1449806904 is about 38076.3299702059. The cubic root of 1449806904 is about 1131.8009509880.

The spelling of 1449806904 in words is "one billion, four hundred forty-nine million, eight hundred six thousand, nine hundred four".