26103644952 has 384 divisors, whose sum is σ = 86430240000. Its totient is φ = 6488509440.

The previous prime is 26103644951. The next prime is 26103645013. The reversal of 26103644952 is 25944630162.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26103644951) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55896223 + ... + 55896689.

It is an arithmetic number, because the mean of its divisors is an integer number (225078750).

Almost surely, 2^26103644952 is an apocalyptic number.

26103644952 is a gapful number since it is divisible by the number (22) 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 26103644952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43215120000).

26103644952 is an abundant number, since it is smaller than the sum of its proper divisors (60326595048).

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

26103644952 is a wasteful number, since it uses less digits than its factorization.

26103644952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 26103644952 in words is "twenty-six billion, one hundred three million, six hundred forty-four thousand, nine hundred fifty-two".