26120142040 has 32 divisors (see below), whose sum is σ = 59110048080. Its totient is φ = 10387660672.

The previous prime is 26120142019. The next prime is 26120142043. The reversal of 26120142040 is 4024102162.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26120142043) 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, 1880374 + ... + 1894213.

Almost surely, 2^26120142040 is an apocalyptic number.

26120142040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26120142040 is an abundant number, since it is smaller than the sum of its proper divisors (32989906040).

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

26120142040 is a wasteful number, since it uses less digits than its factorization.

26120142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774771 (or 3774767 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The spelling of 26120142040 in words is "twenty-six billion, one hundred twenty million, one hundred forty-two thousand, forty".