26156742 has 32 divisors (see below), whose sum is σ = 53491200. Its totient is φ = 8525088.

The previous prime is 26156737. The next prime is 26156783. The reversal of 26156742 is 24765162.

It is a super-5 number, since 5×26156742⁵ (a number of 38 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65688 + ... + 66084.

It is an arithmetic number, because the mean of its divisors is an integer number (1671600).

Almost surely, 2^26156742 is an apocalyptic number.

26156742 is an abundant number, since it is smaller than the sum of its proper divisors (27334458).

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

26156742 is a wasteful number, since it uses less digits than its factorization.

26156742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its digits is 20160, while the sum is 33.

The square root of 26156742 is about 5114.3662363972. The cubic root of 26156742 is about 296.8437319164.

The spelling of 26156742 in words is "twenty-six million, one hundred fifty-six thousand, seven hundred forty-two".