26438048542 has 16 divisors (see below), whose sum is σ = 42139287072. Its totient is φ = 12397154560.

The previous prime is 26438048519. The next prime is 26438048599. The reversal of 26438048542 is 24584083462.

It is a junction number, because it is equal to n+sod(n) for n = 26438048492 and 26438048501.

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, 1374058 + ... + 1393165.

It is an arithmetic number, because the mean of its divisors is an integer number (2633705442).

Almost surely, 2^26438048542 is an apocalyptic number.

26438048542 is a deficient number, since it is larger than the sum of its proper divisors (15701238530).

26438048542 is a wasteful number, since it uses less digits than its factorization.

26438048542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767523.

The product of its (nonzero) digits is 1474560, while the sum is 46.

The spelling of 26438048542 in words is "twenty-six billion, four hundred thirty-eight million, forty-eight thousand, five hundred forty-two".