26145655560 has 96 divisors (see below), whose sum is σ = 85041417240. Its totient is φ = 6966592512.

The previous prime is 26145655553. The next prime is 26145655583. The reversal of 26145655560 is 6555654162.

26145655560 is a `hidden beast` number, since 26 + 1 + 4 + 5 + 65 + 5 + 560 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16300650276 + 9845005284 = 127674^2 + 99222^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431284 + ... + 488156.

Almost surely, 2^26145655560 is an apocalyptic number.

26145655560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26145655560 is an abundant number, since it is smaller than the sum of its proper divisors (58895761680).

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

26145655560 is a wasteful number, since it uses less digits than its factorization.

26145655560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58167 (or 58160 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 26145655560 in words is "twenty-six billion, one hundred forty-five million, six hundred fifty-five thousand, five hundred sixty".