1429825450 has 24 divisors (see below), whose sum is σ = 2695913388. Its totient is φ = 564094080.

The previous prime is 1429825417. The next prime is 1429825459. The reversal of 1429825450 is 545289241.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 386083201 + 1043742249 = 19649^2 + 32307^2 .

It is not an unprimeable number, because it can be changed into a prime (1429825459) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 192217 + ... + 199516.

Almost surely, 2^1429825450 is an apocalyptic number.

1429825450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1429825450 is a deficient number, since it is larger than the sum of its proper divisors (1266087938).

1429825450 is a wasteful number, since it uses less digits than its factorization.

1429825450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391818 (or 391813 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1429825450 is about 37813.0328061635. The cubic root of 1429825450 is about 1126.5773298249.

The spelling of 1429825450 in words is "one billion, four hundred twenty-nine million, eight hundred twenty-five thousand, four hundred fifty".