26402043542 has 16 divisors (see below), whose sum is σ = 45397393152. Its totient is φ = 11280974760.

The previous prime is 26402043509. The next prime is 26402043581. The reversal of 26402043542 is 24534020462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26402043499 and 26402043508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2844098 + ... + 2853365.

It is an arithmetic number, because the mean of its divisors is an integer number (2837337072).

Almost surely, 2^26402043542 is an apocalyptic number.

26402043542 is a deficient number, since it is larger than the sum of its proper divisors (18995349610).

26402043542 is a wasteful number, since it uses less digits than its factorization.

26402043542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697803.

The product of its (nonzero) digits is 46080, while the sum is 32.

The spelling of 26402043542 in words is "twenty-six billion, four hundred two million, forty-three thousand, five hundred forty-two".