26461020540 has 48 divisors (see below), whose sum is σ = 78449146272. Its totient is φ = 6641197056.

The previous prime is 26461020527. The next prime is 26461020571. The reversal of 26461020540 is 4502016462.

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 = 26461020498 and 26461020507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12970069 + ... + 12972108.

It is an arithmetic number, because the mean of its divisors is an integer number (1634357214).

Almost surely, 2^26461020540 is an apocalyptic number.

26461020540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26461020540 is an abundant number, since it is smaller than the sum of its proper divisors (51988125732).

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

26461020540 is a wasteful number, since it uses less digits than its factorization.

26461020540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25942206 (or 25942204 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 26461020540 in words is "twenty-six billion, four hundred sixty-one million, twenty thousand, five hundred forty".