1449563990 has 32 divisors (see below), whose sum is σ = 3157372224. Its totient is φ = 467758080.

The previous prime is 1449563977. The next prime is 1449564031. The reversal of 1449563990 is 993659441.

It is a super-2 number, since 2×1449563990² = 4202471522209440200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607871 + ... + 610250.

It is an arithmetic number, because the mean of its divisors is an integer number (98667882).

Almost surely, 2^1449563990 is an apocalyptic number.

1449563990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1449563990 is an abundant number, since it is smaller than the sum of its proper divisors (1707808234).

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

1449563990 is a wasteful number, since it uses less digits than its factorization.

1449563990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218152.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 1449563990 is about 38073.1400070969. The cubic root of 1449563990 is about 1131.7377366727.

The spelling of 1449563990 in words is "one billion, four hundred forty-nine million, five hundred sixty-three thousand, nine hundred ninety".