26275339636 has 96 divisors (see below), whose sum is σ = 57095107328. Its totient is φ = 10302888960.

The previous prime is 26275339627. The next prime is 26275339661. The reversal of 26275339636 is 63693357262.

It is a super-2 number, since 2×26275339636² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24039106 + ... + 24040198.

Almost surely, 2^26275339636 is an apocalyptic number.

26275339636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26275339636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28547553664).

26275339636 is an abundant number, since it is smaller than the sum of its proper divisors (30819767692).

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

26275339636 is a wasteful number, since it uses less digits than its factorization.

26275339636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1639 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 52.

The spelling of 26275339636 in words is "twenty-six billion, two hundred seventy-five million, three hundred thirty-nine thousand, six hundred thirty-six".