2492561780178 has 16 divisors (see below), whose sum is σ = 5007478377216. Its totient is φ = 827128123920.

The previous prime is 2492561780171. The next prime is 2492561780197. The reversal of 2492561780178 is 8710871652942.

It is not an unprimeable number, because it can be changed into a prime (2492561780171) 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 7 ways as a sum of consecutive naturals, for example, 931449253 + ... + 931451928.

It is an arithmetic number, because the mean of its divisors is an integer number (312967398576).

Almost surely, 2^{2492561780178} is an apocalyptic number.

2492561780178 is an abundant number, since it is smaller than the sum of its proper divisors (2514916597038).

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

2492561780178 is a wasteful number, since it uses less digits than its factorization.

2492561780178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862901409.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 2492561780178 in words is "two trillion, four hundred ninety-two billion, five hundred sixty-one million, seven hundred eighty thousand, one hundred seventy-eight".