1449569490 has 16 divisors (see below), whose sum is σ = 3478966848. Its totient is φ = 386551856.

The previous prime is 1449569477. The next prime is 1449569501. The reversal of 1449569490 is 949659441.

It is a Curzon number.

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, 24159462 + ... + 24159521.

It is an arithmetic number, because the mean of its divisors is an integer number (217435428).

Almost surely, 2^1449569490 is an apocalyptic number.

1449569490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1449569490 is an abundant number, since it is smaller than the sum of its proper divisors (2029397358).

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

1449569490 is a wasteful number, since it uses less digits than its factorization.

1449569490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48318993.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 1449569490 is about 38073.2122364268. The cubic root of 1449569490 is about 1131.7391680341.

The spelling of 1449569490 in words is "one billion, four hundred forty-nine million, five hundred sixty-nine thousand, four hundred ninety".