1600243450 has 24 divisors (see below), whose sum is σ = 3205412028. Its totient is φ = 590858880.

The previous prime is 1600243429. The next prime is 1600243453. The reversal of 1600243450 is 543420061.

It can be written as a sum of positive squares in 6 ways, for example, as 143065521 + 1457177929 = 11961^2 + 38173^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1600243453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1230307 + ... + 1231606.

Almost surely, 2^1600243450 is an apocalyptic number.

1600243450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1600243450 is an abundant number, since it is smaller than the sum of its proper divisors (1605168578).

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

1600243450 is a wasteful number, since it uses less digits than its factorization.

1600243450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461938 (or 2461933 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1600243450 is about 40003.0430092512. The cubic root of 1600243450 is about 1169.6664132866. Note that the first 3 decimals are identical.

The spelling of 1600243450 in words is "one billion, six hundred million, two hundred forty-three thousand, four hundred fifty".