2533191144 has 64 divisors (see below), whose sum is σ = 6965887680. Its totient is φ = 767624000.

The previous prime is 2533191121. The next prime is 2533191161. The reversal of 2533191144 is 4411913352.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7707 + ... + 71594.

It is an arithmetic number, because the mean of its divisors is an integer number (108841995).

Almost surely, 2^2533191144 is an apocalyptic number.

2533191144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2533191144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3482943840).

2533191144 is an abundant number, since it is smaller than the sum of its proper divisors (4432696536).

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

2533191144 is a wasteful number, since it uses less digits than its factorization.

2533191144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79343 (or 79317 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 2533191144 is about 50330.8170408548. The cubic root of 2533191144 is about 1363.1887302004.

The spelling of 2533191144 in words is "two billion, five hundred thirty-three million, one hundred ninety-one thousand, one hundred forty-four".