2542742850 has 48 divisors (see below), whose sum is σ = 6326657568. Its totient is φ = 675843840.

The previous prime is 2542742833. The next prime is 2542742861. The reversal of 2542742850 is 582472452.

2542742850 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2542742850² = 12931082402452245000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2542742799 and 2542742808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18442 + ... + 73658.

It is an arithmetic number, because the mean of its divisors is an integer number (131805366).

Almost surely, 2^2542742850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2542742850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3163328784).

2542742850 is an abundant number, since it is smaller than the sum of its proper divisors (3783914718).

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

2542742850 is a wasteful number, since it uses less digits than its factorization.

2542742850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55539 (or 55534 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 39.

The square root of 2542742850 is about 50425.6170016788. The cubic root of 2542742850 is about 1364.8999376529.

The spelling of 2542742850 in words is "two billion, five hundred forty-two million, seven hundred forty-two thousand, eight hundred fifty".