26260442040 has 64 divisors (see below), whose sum is σ = 90035804160. Its totient is φ = 6002386560.

The previous prime is 26260442029. The next prime is 26260442053. The reversal of 26260442040 is 4024406262.

It is a super-2 number, since 2×26260442040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 26260441989 and 26260442007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15630376 + ... + 15632055.

It is an arithmetic number, because the mean of its divisors is an integer number (1406809440).

Almost surely, 2^26260442040 is an apocalyptic number.

26260442040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26260442040 is an abundant number, since it is smaller than the sum of its proper divisors (63775362120).

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

26260442040 is a wasteful number, since it uses less digits than its factorization.

26260442040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31262452 (or 31262448 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 26260442040 in words is "twenty-six billion, two hundred sixty million, four hundred forty-two thousand, forty".