26445377070 has 128 divisors (see below), whose sum is σ = 81961804800. Its totient is φ = 5942180736.

The previous prime is 26445377053. The next prime is 26445377071. The reversal of 26445377070 is 7077354462.

26445377070 is a `hidden beast` number, since 2 + 6 + 44 + 537 + 7 + 0 + 70 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26445377071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7069 + ... + 230088.

It is an arithmetic number, because the mean of its divisors is an integer number (640326600).

Almost surely, 2^26445377070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26445377070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40980902400).

26445377070 is an abundant number, since it is smaller than the sum of its proper divisors (55516427730).

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

26445377070 is a wasteful number, since it uses less digits than its factorization.

26445377070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237239 (or 237233 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The spelling of 26445377070 in words is "twenty-six billion, four hundred forty-five million, three hundred seventy-seven thousand, seventy".