26420616 has 24 divisors (see below), whose sum is σ = 71556030. Its totient is φ = 8806848.

The previous prime is 26420609. The next prime is 26420623. The reversal of 26420616 is 61602462.

It is a happy number.

26420616 is a `hidden beast` number, since 2 + 6 + 42 + 0 + 616 = 666.

It is an interprime number because it is at equal distance from previous prime (26420609) and next prime (26420623).

It can be written as a sum of positive squares in only one way, i.e., 25704900 + 715716 = 5070^2 + 846^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 26420616.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183405 + ... + 183548.

Almost surely, 2^26420616 is an apocalyptic number.

It is an amenable number.

26420616 is an abundant number, since it is smaller than the sum of its proper divisors (45135414).

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

26420616 is a wasteful number, since it uses less digits than its factorization.

26420616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366965 (or 366958 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 26420616 is about 5140.0988317347. The cubic root of 26420616 is about 297.8385985433.

The spelling of 26420616 in words is "twenty-six million, four hundred twenty thousand, six hundred sixteen".