2532661544 has 64 divisors (see below), whose sum is σ = 5867260800. Its totient is φ = 1000491264.

The previous prime is 2532661531. The next prime is 2532661589. The reversal of 2532661544 is 4451662352.

2532661544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 2532661498 and 2532661507.

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, 7202 + ... + 71534.

It is an arithmetic number, because the mean of its divisors is an integer number (91675950).

Almost surely, 2^2532661544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2532661544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2933630400).

2532661544 is an abundant number, since it is smaller than the sum of its proper divisors (3334599256).

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

2532661544 is a wasteful number, since it uses less digits than its factorization.

2532661544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64402 (or 64398 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 2532661544 is about 50325.5555756715. Note that the first 4 decimals coincide. The cubic root of 2532661544 is about 1363.0937255169.

The spelling of 2532661544 in words is "two billion, five hundred thirty-two million, six hundred sixty-one thousand, five hundred forty-four".