26250262540 has 24 divisors (see below), whose sum is σ = 55170384192. Its totient is φ = 10491565440.

The previous prime is 26250262537. The next prime is 26250262561. The reversal of 26250262540 is 4526205262.

It is a junction number, because it is equal to n+sod(n) for n = 26250262496 and 26250262505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508489 + ... + 557728.

It is an arithmetic number, because the mean of its divisors is an integer number (2298766008).

Almost surely, 2^26250262540 is an apocalyptic number.

26250262540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26250262540 is an abundant number, since it is smaller than the sum of its proper divisors (28920121652).

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

26250262540 is a wasteful number, since it uses less digits than its factorization.

26250262540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067457 (or 1067455 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 26250262540 in words is "twenty-six billion, two hundred fifty million, two hundred sixty-two thousand, five hundred forty".