1011443454 has 96 divisors (see below), whose sum is σ = 2644462080. Its totient is φ = 272932416.

The previous prime is 1011443449. The next prime is 1011443567. The reversal of 1011443454 is 4543441101.

1011443454 is nontrivially palindromic in base 5.

It is a congruent number.

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, 1548592 + ... + 1549244.

It is an arithmetic number, because the mean of its divisors is an integer number (27546480).

Almost surely, 2^1011443454 is an apocalyptic number.

1011443454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011443454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322231040).

1011443454 is an abundant number, since it is smaller than the sum of its proper divisors (1633018626).

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

1011443454 is a wasteful number, since it uses less digits than its factorization.

1011443454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1011443454 is about 31803.1988013785. The cubic root of 1011443454 is about 1003.8000261767.

Adding to 1011443454 its reverse (4543441101), we get a palindrome (5554884555).

The spelling of 1011443454 in words is "one billion, eleven million, four hundred forty-three thousand, four hundred fifty-four".