26670980 has 24 divisors (see below), whose sum is σ = 64010688. Its totient is φ = 9144288.

The previous prime is 26670967. The next prime is 26670989. The reversal of 26670980 is 8907662.

It is a super-2 number, since 2×26670980² = 1422682348320800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (26670989) 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, 95114 + ... + 95393.

It is an arithmetic number, because the mean of its divisors is an integer number (2667112).

Almost surely, 2^26670980 is an apocalyptic number.

26670980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26670980 is an abundant number, since it is smaller than the sum of its proper divisors (37339708).

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

26670980 is a wasteful number, since it uses less digits than its factorization.

26670980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190523 (or 190521 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 26670980 is about 5164.3954147606. The cubic root of 26670980 is about 298.7764237291.

The spelling of 26670980 in words is "twenty-six million, six hundred seventy thousand, nine hundred eighty".