1129832090450 has 48 divisors (see below), whose sum is σ = 2401902637440. Its totient is φ = 387338353920.

The previous prime is 1129832090419. The next prime is 1129832090467. The reversal of 1129832090450 is 540902389211.

It is a super-2 number, since 2×1129832090450² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4221731 + ... + 4481369.

It is an arithmetic number, because the mean of its divisors is an integer number (50039638280).

Almost surely, 2^{1129832090450} is an apocalyptic number.

1129832090450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1129832090450 is an abundant number, since it is smaller than the sum of its proper divisors (1272070546990).

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

1129832090450 is a wasteful number, since it uses less digits than its factorization.

1129832090450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272091 (or 272086 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 1129832090450 in words is "one trillion, one hundred twenty-nine billion, eight hundred thirty-two million, ninety thousand, four hundred fifty".