2529542400 has 864 divisors, whose sum is σ = 10949299200. Its totient is φ = 498892800.

The previous prime is 2529542363. The next prime is 2529542401. The reversal of 2529542400 is 42459252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2529542401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42873571 + ... + 42873629.

It is an arithmetic number, because the mean of its divisors is an integer number (12672800).

Almost surely, 2^2529542400 is an apocalyptic number.

2529542400 is a gapful number since it is divisible by the number (20) 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 2529542400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5474649600).

2529542400 is an abundant number, since it is smaller than the sum of its proper divisors (8419756800).

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

2529542400 is a wasteful number, since it uses less digits than its factorization.

2529542400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 116 counting only the distinct ones).

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

The square root of 2529542400 is about 50294.5563654756. The cubic root of 2529542400 is about 1362.5339149317.

The spelling of 2529542400 in words is "two billion, five hundred twenty-nine million, five hundred forty-two thousand, four hundred".