26156412 has 48 divisors (see below), whose sum is σ = 68382720. Its totient is φ = 8645616.

The previous prime is 26156363. The next prime is 26156437. The reversal of 26156412 is 21465162.

26156412 is a `hidden beast` number, since 2 + 6 + 15 + 641 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 12763 + ... + 14669.

It is an arithmetic number, because the mean of its divisors is an integer number (1424640).

Almost surely, 2^26156412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26156412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34191360).

26156412 is an abundant number, since it is smaller than the sum of its proper divisors (42226308).

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

26156412 is a wasteful number, since it uses less digits than its factorization.

26156412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047 (or 2039 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 26156412 is about 5114.3339742336. Note that the first 3 decimals coincide. The cubic root of 26156412 is about 296.8424835596.

The spelling of 26156412 in words is "twenty-six million, one hundred fifty-six thousand, four hundred twelve".