26642629045 has 16 divisors (see below), whose sum is σ = 32057141760. Its totient is φ = 21256835904.

The previous prime is 26642629043. The next prime is 26642629049. The reversal of 26642629045 is 54092624662.

It is a cyclic number.

It is not a de Polignac number, because 26642629045 - 2¹ = 26642629043 is a prime.

It is a super-2 number, since 2×26642629045² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26642628986 and 26642629004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26642629043) 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, 7573627 + ... + 7577143.

It is an arithmetic number, because the mean of its divisors is an integer number (2003571360).

Almost surely, 2^26642629045 is an apocalyptic number.

It is an amenable number.

26642629045 is a deficient number, since it is larger than the sum of its proper divisors (5414512715).

26642629045 is a wasteful number, since it uses less digits than its factorization.

26642629045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 26642629045 in words is "twenty-six billion, six hundred forty-two million, six hundred twenty-nine thousand, forty-five".