26557142 has 16 divisors (see below), whose sum is σ = 41537664. Its totient is φ = 12720000.

The previous prime is 26557133. The next prime is 26557151. The reversal of 26557142 is 24175562.

It is an interprime number because it is at equal distance from previous prime (26557133) and next prime (26557151).

It is a junction number, because it is equal to n+sod(n) for n = 26557099 and 26557108.

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, 4142 + ... + 8382.

It is an arithmetic number, because the mean of its divisors is an integer number (2596104).

Almost surely, 2^26557142 is an apocalyptic number.

26557142 is a deficient number, since it is larger than the sum of its proper divisors (14980522).

26557142 is a wasteful number, since it uses less digits than its factorization.

26557142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375.

The product of its digits is 16800, while the sum is 32.

The square root of 26557142 is about 5153.3622034551. The cubic root of 26557142 is about 298.3507348824.

The spelling of 26557142 in words is "twenty-six million, five hundred fifty-seven thousand, one hundred forty-two".