26144622040 has 32 divisors (see below), whose sum is σ = 58965165360. Its totient is φ = 10433001600.

The previous prime is 26144622037. The next prime is 26144622043. The reversal of 26144622040 is 4022644162.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26144622037) and next prime (26144622043).

It is a super-2 number, since 2×26144622040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26144621993 and 26144622011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26144622043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759426 + ... + 793105.

Almost surely, 2^26144622040 is an apocalyptic number.

26144622040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26144622040 is an abundant number, since it is smaller than the sum of its proper divisors (32820543320).

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

26144622040 is a wasteful number, since it uses less digits than its factorization.

26144622040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552963 (or 1552959 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 26144622040 in words is "twenty-six billion, one hundred forty-four million, six hundred twenty-two thousand, forty".