26465980 has 24 divisors (see below), whose sum is σ = 57496320. Its totient is φ = 10221120.

The previous prime is 26465977. The next prime is 26465983. The reversal of 26465980 is 8956462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26465977) and next prime (26465983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26465983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22236 + ... + 23395.

It is an arithmetic number, because the mean of its divisors is an integer number (2395680).

Almost surely, 2^26465980 is an apocalyptic number.

26465980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26465980 is an abundant number, since it is smaller than the sum of its proper divisors (31030340).

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

26465980 is a wasteful number, since it uses less digits than its factorization.

26465980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45669 (or 45667 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 26465980 is about 5144.5096948106. The cubic root of 26465980 is about 298.0089632906.

The spelling of 26465980 in words is "twenty-six million, four hundred sixty-five thousand, nine hundred eighty".