1450827990 has 64 divisors (see below), whose sum is σ = 3885235200. Its totient is φ = 385251552.

The previous prime is 1450827977. The next prime is 1450828003. The reversal of 1450827990 is 997280541.

It is an interprime number because it is at equal distance from previous prime (1450827977) and next prime (1450828003).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 31 ways as a sum of consecutive naturals, for example, 53289 + ... + 75771.

It is an arithmetic number, because the mean of its divisors is an integer number (60706800).

Almost surely, 2^1450827990 is an apocalyptic number.

1450827990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1450827990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1942617600).

1450827990 is an abundant number, since it is smaller than the sum of its proper divisors (2434407210).

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

1450827990 is a wasteful number, since it uses less digits than its factorization.

1450827990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22738 (or 22732 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1450827990 is about 38089.7360190380. The cubic root of 1450827990 is about 1132.0665943875.

The spelling of 1450827990 in words is "one billion, four hundred fifty million, eight hundred twenty-seven thousand, nine hundred ninety".