1533054840 has 128 divisors (see below), whose sum is σ = 4772174400. Its totient is φ = 393523200.

The previous prime is 1533054827. The next prime is 1533054847. The reversal of 1533054840 is 484503351.

1533054840 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1533054847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2091114 + ... + 2091846.

Almost surely, 2^1533054840 is an apocalyptic number.

1533054840 is a gapful number since it is divisible by the number (10) 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 1533054840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2386087200).

1533054840 is an abundant number, since it is smaller than the sum of its proper divisors (3239119560).

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

1533054840 is a wasteful number, since it uses less digits than its factorization.

1533054840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1533054840 is about 39154.2442143888. The cubic root of 1533054840 is about 1153.0617441818.

The spelling of 1533054840 in words is "one billion, five hundred thirty-three million, fifty-four thousand, eight hundred forty".