26091030 has 48 divisors (see below), whose sum is σ = 72846000. Its totient is φ = 5963328.

The previous prime is 26091017. The next prime is 26091041. The reversal of 26091030 is 3019062.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 26090988 and 26091006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7405 + ... + 10344.

It is an arithmetic number, because the mean of its divisors is an integer number (1517625).

Almost surely, 2^26091030 is an apocalyptic number.

26091030 is an abundant number, since it is smaller than the sum of its proper divisors (46754970).

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

26091030 is a wasteful number, since it uses less digits than its factorization.

26091030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17773 (or 17766 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 26091030 is about 5107.9379401085. The cubic root of 26091030 is about 296.5949426127.

The spelling of 26091030 in words is "twenty-six million, ninety-one thousand, thirty".