1011450450 has 96 divisors (see below), whose sum is σ = 2561461056. Its totient is φ = 264079360.

The previous prime is 1011450409. The next prime is 1011450469. The reversal of 1011450450 is 540541101.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1705354 + ... + 1705946.

It is an arithmetic number, because the mean of its divisors is an integer number (26681886).

Almost surely, 2^1011450450 is an apocalyptic number.

1011450450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011450450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280730528).

1011450450 is an abundant number, since it is smaller than the sum of its proper divisors (1550010606).

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

1011450450 is a wasteful number, since it uses less digits than its factorization.

1011450450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1011450450 is about 31803.3087901243. The cubic root of 1011450450 is about 1003.8023405485.

Adding to 1011450450 its reverse (540541101), we get a palindrome (1551991551).

The spelling of 1011450450 in words is "one billion, eleven million, four hundred fifty thousand, four hundred fifty".