1490275800 has 576 divisors, whose sum is σ = 5881766400. Its totient is φ = 345945600.

The previous prime is 1490275771. The next prime is 1490275819. The reversal of 1490275800 is 85720941.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 143 ways as a sum of consecutive naturals, for example, 20989765 + ... + 20989835.

It is an arithmetic number, because the mean of its divisors is an integer number (10211400).

Almost surely, 2^1490275800 is an apocalyptic number.

1490275800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490275800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940883200).

1490275800 is an abundant number, since it is smaller than the sum of its proper divisors (4391490600).

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

1490275800 is a wasteful number, since it uses less digits than its factorization.

1490275800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1490275800 is about 38604.0904568415. The cubic root of 1490275800 is about 1142.2352266589.

The spelling of 1490275800 in words is "one billion, four hundred ninety million, two hundred seventy-five thousand, eight hundred".