26449752142 has 64 divisors (see below), whose sum is σ = 47006668800. Its totient is φ = 11030878080.

The previous prime is 26449752113. The next prime is 26449752143. The reversal of 26449752142 is 24125794462.

It is a junction number, because it is equal to n+sod(n) for n = 26449752092 and 26449752101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26449752143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3445084 + ... + 3452752.

It is an arithmetic number, because the mean of its divisors is an integer number (734479200).

Almost surely, 2^26449752142 is an apocalyptic number.

26449752142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26449752142 is a deficient number, since it is larger than the sum of its proper divisors (20556916658).

26449752142 is a wasteful number, since it uses less digits than its factorization.

26449752142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7961.

The product of its digits is 967680, while the sum is 46.

Subtracting from 26449752142 its product of digits (967680), we obtain a palindrome (26448784462).

The spelling of 26449752142 in words is "twenty-six billion, four hundred forty-nine million, seven hundred fifty-two thousand, one hundred forty-two".