26219040 has 48 divisors (see below), whose sum is σ = 82591488. Its totient is φ = 6991616.

The previous prime is 26219033. The next prime is 26219041. The reversal of 26219040 is 4091262.

26219040 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 26219040.

It is not an unprimeable number, because it can be changed into a prime (26219041) 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, 26832 + ... + 27791.

It is an arithmetic number, because the mean of its divisors is an integer number (1720656).

Almost surely, 2^26219040 is an apocalyptic number.

26219040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26219040 is an abundant number, since it is smaller than the sum of its proper divisors (56372448).

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

26219040 is a wasteful number, since it uses less digits than its factorization.

26219040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54641 (or 54633 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 26219040 is about 5120.4531049508. The cubic root of 26219040 is about 297.0792111501.

The spelling of 26219040 in words is "twenty-six million, two hundred nineteen thousand, forty".