26040018090 has 32 divisors (see below), whose sum is σ = 66172282560. Its totient is φ = 6535533824.

The previous prime is 26040018079. The next prime is 26040018119. The reversal of 26040018090 is 9081004062.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 25528920 + ... + 25529939.

It is an arithmetic number, because the mean of its divisors is an integer number (2067883830).

Almost surely, 2^26040018090 is an apocalyptic number.

26040018090 is an abundant number, since it is smaller than the sum of its proper divisors (40132264470).

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

26040018090 is a wasteful number, since it uses less digits than its factorization.

26040018090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51058886.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 26040018090 in words is "twenty-six billion, forty million, eighteen thousand, ninety".