1532540000 has 240 divisors, whose sum is σ = 4113370800. Its totient is φ = 559872000.

The previous prime is 1532539993. The next prime is 1532540017. The reversal of 1532540000 is 452351.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14059946 + ... + 14060054.

It is an arithmetic number, because the mean of its divisors is an integer number (17139045).

Almost surely, 2^1532540000 is an apocalyptic number.

1532540000 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 1532540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2056685400).

1532540000 is an abundant number, since it is smaller than the sum of its proper divisors (2580830800).

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

1532540000 is a wasteful number, since it uses less digits than its factorization.

1532540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1532540000 is about 39147.6691515600. The cubic root of 1532540000 is about 1152.9326536107.

Adding to 1532540000 its reverse (452351), we get a palindrome (1532992351).

The spelling of 1532540000 in words is "one billion, five hundred thirty-two million, five hundred forty thousand".