26155542 has 16 divisors (see below), whose sum is σ = 59784192. Its totient is φ = 7473000.

The previous prime is 26155517. The next prime is 26155573. The reversal of 26155542 is 24555162.

26155542 is nontrivially palindromic in base 5.

It is a super-2 number, since 2×26155542² = 1368224754627528, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311334 + ... + 311417.

It is an arithmetic number, because the mean of its divisors is an integer number (3736512).

Almost surely, 2^26155542 is an apocalyptic number.

26155542 is an abundant number, since it is smaller than the sum of its proper divisors (33628650).

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

26155542 is a wasteful number, since it uses less digits than its factorization.

26155542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622763.

The product of its digits is 12000, while the sum is 30.

The square root of 26155542 is about 5114.2489184630. The cubic root of 26155542 is about 296.8391923867.

The spelling of 26155542 in words is "twenty-six million, one hundred fifty-five thousand, five hundred forty-two".