1029469450 has 24 divisors (see below), whose sum is σ = 1959347808. Its totient is φ = 402210480.

The previous prime is 1029469417. The next prime is 1029469481. The reversal of 1029469450 is 549649201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237262 + ... + 241561.

It is an arithmetic number, because the mean of its divisors is an integer number (81639492).

Almost surely, 2^1029469450 is an apocalyptic number.

1029469450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1029469450 is a deficient number, since it is larger than the sum of its proper divisors (929878358).

1029469450 is a wasteful number, since it uses less digits than its factorization.

1029469450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478878 (or 478873 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1029469450 is about 32085.3463437751. The cubic root of 1029469450 is about 1009.7282051389.

The spelling of 1029469450 in words is "one billion, twenty-nine million, four hundred sixty-nine thousand, four hundred fifty".