26045031546 has 64 divisors (see below), whose sum is σ = 61027200000. Its totient is φ = 8210822256.

The previous prime is 26045031541. The next prime is 26045031547. The reversal of 26045031546 is 64513054062.

26045031546 is a `hidden beast` number, since 2 + 60 + 4 + 50 + 3 + 1 + 546 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 26045031546.

It is not an unprimeable number, because it can be changed into a prime (26045031541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593385 + ... + 635763.

It is an arithmetic number, because the mean of its divisors is an integer number (953550000).

Almost surely, 2^26045031546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26045031546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30513600000).

26045031546 is an abundant number, since it is smaller than the sum of its proper divisors (34982168454).

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

26045031546 is a wasteful number, since it uses less digits than its factorization.

26045031546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43008 (or 43002 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 26045031546 in words is "twenty-six billion, forty-five million, thirty-one thousand, five hundred forty-six".