2541867858 has 32 divisors (see below), whose sum is σ = 5779963200. Its totient is φ = 827584128.

The previous prime is 2541867851. The next prime is 2541867871. The reversal of 2541867858 is 8587681452.

It is a super-2 number, since 2×2541867858² = 12922184415067016328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2541867851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545023 + ... + 549666.

It is an arithmetic number, because the mean of its divisors is an integer number (180623850).

Almost surely, 2^2541867858 is an apocalyptic number.

2541867858 is an abundant number, since it is smaller than the sum of its proper divisors (3238095342).

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

2541867858 is a wasteful number, since it uses less digits than its factorization.

2541867858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094743 (or 1094737 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 54.

The square root of 2541867858 is about 50416.9401887897. The cubic root of 2541867858 is about 1364.7433595518.

The spelling of 2541867858 in words is "two billion, five hundred forty-one million, eight hundred sixty-seven thousand, eight hundred fifty-eight".