6242752890 has 128 divisors (see below), whose sum is σ = 18199987200. Its totient is φ = 1510125120.

The previous prime is 6242752877. The next prime is 6242752891. The reversal of 6242752890 is 982572426.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6242752891) 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 63 ways as a sum of consecutive naturals, for example, 1551301 + ... + 1555319.

It is an arithmetic number, because the mean of its divisors is an integer number (142187400).

Almost surely, 2^6242752890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6242752890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9099993600).

6242752890 is an abundant number, since it is smaller than the sum of its proper divisors (11957234310).

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

6242752890 is a wasteful number, since it uses less digits than its factorization.

6242752890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569 (or 4563 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 6242752890 is about 79011.0934616146. The cubic root of 6242752890 is about 1841.3035117868.

The spelling of 6242752890 in words is "six billion, two hundred forty-two million, seven hundred fifty-two thousand, eight hundred ninety".