26242490442 has 32 divisors (see below), whose sum is σ = 60003734400. Its totient is φ = 7495242048.

The previous prime is 26242490431. The next prime is 26242490447. The reversal of 26242490442 is 24409424262.

It is a super-2 number, since 2×26242490442² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26242490442.

It is not an unprimeable number, because it can be changed into a prime (26242490447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14784 + ... + 229572.

It is an arithmetic number, because the mean of its divisors is an integer number (1875116700).

Almost surely, 2^26242490442 is an apocalyptic number.

26242490442 is an abundant number, since it is smaller than the sum of its proper divisors (33761243958).

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

26242490442 is a wasteful number, since it uses less digits than its factorization.

26242490442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217710.

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 26242490442 in words is "twenty-six billion, two hundred forty-two million, four hundred ninety thousand, four hundred forty-two".