1449821400 has 48 divisors (see below), whose sum is σ = 4494448200. Its totient is φ = 386618880.

The previous prime is 1449821369. The next prime is 1449821407. The reversal of 1449821400 is 41289441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449821407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1207585 + ... + 1208784.

Almost surely, 2^1449821400 is an apocalyptic number.

1449821400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449821400 is an abundant number, since it is smaller than the sum of its proper divisors (3044626800).

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

1449821400 is a wasteful number, since it uses less digits than its factorization.

1449821400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416388 (or 2416379 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1449821400 is about 38076.5203242103. The cubic root of 1449821400 is about 1131.8047231069.

The spelling of 1449821400 in words is "one billion, four hundred forty-nine million, eight hundred twenty-one thousand, four hundred".