26025521340 has 384 divisors, whose sum is σ = 95420602368. Its totient is φ = 5143265280.

The previous prime is 26025521287. The next prime is 26025521383. The reversal of 26025521340 is 4312552062.

It is a super-2 number, since 2×26025521340² (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 = 26025521298 and 26025521307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23854195 + ... + 23855285.

It is an arithmetic number, because the mean of its divisors is an integer number (248491152).

Almost surely, 2^26025521340 is an apocalyptic number.

26025521340 is a gapful number since it is divisible by the number (20) 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 26025521340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47710301184).

26025521340 is an abundant number, since it is smaller than the sum of its proper divisors (69395081028).

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

26025521340 is a wasteful number, since it uses less digits than its factorization.

26025521340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 26025521340 in words is "twenty-six billion, twenty-five million, five hundred twenty-one thousand, three hundred forty".