2502643542 has 48 divisors (see below), whose sum is σ = 6164987760. Its totient is φ = 672978432.

The previous prime is 2502643489. The next prime is 2502643543. The reversal of 2502643542 is 2453462052.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502643543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245367 + ... + 255362.

It is an arithmetic number, because the mean of its divisors is an integer number (128437245).

Almost surely, 2^2502643542 is an apocalyptic number.

2502643542 is an abundant number, since it is smaller than the sum of its proper divisors (3662344218).

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

2502643542 is a wasteful number, since it uses less digits than its factorization.

2502643542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500765 (or 500758 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 2502643542 is about 50026.4284353780. The cubic root of 2502643542 is about 1357.6870182463.

The spelling of 2502643542 in words is "two billion, five hundred two million, six hundred forty-three thousand, five hundred forty-two".