26530406474 has 32 divisors (see below), whose sum is σ = 47094215616. Its totient is φ = 11050369920.

The previous prime is 26530406473. The next prime is 26530406479. The reversal of 26530406474 is 47460403562.

It is a super-2 number, since 2×26530406474² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26530406473) 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, 299372 + ... + 377735.

It is an arithmetic number, because the mean of its divisors is an integer number (1471694238).

Almost surely, 2^26530406474 is an apocalyptic number.

26530406474 is a deficient number, since it is larger than the sum of its proper divisors (20563809142).

26530406474 is a wasteful number, since it uses less digits than its factorization.

26530406474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677270.

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 26530406474 in words is "twenty-six billion, five hundred thirty million, four hundred six thousand, four hundred seventy-four".