2043153540 has 72 divisors (see below), whose sum is σ = 6206578560. Its totient is φ = 544048704.

The previous prime is 2043153493. The next prime is 2043153547. The reversal of 2043153540 is 453513402.

2043153540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2043153547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121527 + ... + 137313.

It is an arithmetic number, because the mean of its divisors is an integer number (86202480).

Almost surely, 2^2043153540 is an apocalyptic number.

2043153540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043153540 is an abundant number, since it is smaller than the sum of its proper divisors (4163425020).

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

2043153540 is a wasteful number, since it uses less digits than its factorization.

2043153540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16521 (or 16516 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2043153540 is about 45201.2559560019. The cubic root of 2043153540 is about 1268.9183217516.

Adding to 2043153540 its reverse (453513402), we get a palindrome (2496666942).

The spelling of 2043153540 in words is "two billion, forty-three million, one hundred fifty-three thousand, five hundred forty".