26230020545 has 16 divisors (see below), whose sum is σ = 34402641408. Its totient is φ = 19112574720.

The previous prime is 26230020503. The next prime is 26230020547. The reversal of 26230020545 is 54502003262.

It is not a de Polignac number, because 26230020545 - 2¹⁶ = 26229955009 is a prime.

It is a super-2 number, since 2×26230020545² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26230020547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4974599 + ... + 4979868.

It is an arithmetic number, because the mean of its divisors is an integer number (2150165088).

Almost surely, 2^26230020545 is an apocalyptic number.

It is an amenable number.

26230020545 is a deficient number, since it is larger than the sum of its proper divisors (8172620863).

26230020545 is a wasteful number, since it uses less digits than its factorization.

26230020545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954520.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 26230020545 in words is "twenty-six billion, two hundred thirty million, twenty thousand, five hundred forty-five".