1089464450 has 12 divisors (see below), whose sum is σ = 2026403970. Its totient is φ = 435785760.

The previous prime is 1089464447. The next prime is 1089464461. The reversal of 1089464450 is 544649801.

It can be written as a sum of positive squares in 3 ways, for example, as 1003178929 + 86285521 = 31673^2 + 9289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1089464398 and 1089464407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10894595 + ... + 10894694.

Almost surely, 2^1089464450 is an apocalyptic number.

1089464450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089464450 is a deficient number, since it is larger than the sum of its proper divisors (936939520).

1089464450 is a wasteful number, since it uses less digits than its factorization.

1089464450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21789301 (or 21789296 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 1089464450 is about 33007.0363710528. The cubic root of 1089464450 is about 1028.9738893423.

The spelling of 1089464450 in words is "one billion, eighty-nine million, four hundred sixty-four thousand, four hundred fifty".