26494920 has 48 divisors (see below), whose sum is σ = 86109660. Its totient is φ = 7065216.

The previous prime is 26494903. The next prime is 26494921. The reversal of 26494920 is 2949462.

26494920 is a `hidden beast` number, since 2 + 649 + 4 + 9 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26440164 + 54756 = 5142^2 + 234^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (26494921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36439 + ... + 37158.

Almost surely, 2^26494920 is an apocalyptic number.

26494920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26494920 is an abundant number, since it is smaller than the sum of its proper divisors (59614740).

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

26494920 is a wasteful number, since it uses less digits than its factorization.

26494920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73614 (or 73607 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 26494920 is about 5147.3216336266. The cubic root of 26494920 is about 298.1175459286.

It can be divided in two parts, 2649 and 4920, that added together give a square (7569 = 87²).

The spelling of 26494920 in words is "twenty-six million, four hundred ninety-four thousand, nine hundred twenty".