1449421900 has 36 divisors (see below), whose sum is σ = 3146942680. Its totient is φ = 579456000.

The previous prime is 1449421879. The next prime is 1449421931. The reversal of 1449421900 is 91249441.

It is a super-2 number, since 2×1449421900² = 4201647688399220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299500 + ... + 304300.

Almost surely, 2^1449421900 is an apocalyptic number.

1449421900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449421900 is an abundant number, since it is smaller than the sum of its proper divisors (1697520780).

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

1449421900 is a wasteful number, since it uses less digits than its factorization.

1449421900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7834 (or 7827 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1449421900 is about 38071.2739476892. The cubic root of 1449421900 is about 1131.7007568473.

The spelling of 1449421900 in words is "one billion, four hundred forty-nine million, four hundred twenty-one thousand, nine hundred".