26404157232 has 60 divisors (see below), whose sum is σ = 74907257464. Its totient is φ = 8680815360.

The previous prime is 26404157231. The next prime is 26404157243. The reversal of 26404157232 is 23275140462.

26404157232 is a `hidden beast` number, since 2 + 6 + 4 + 0 + 415 + 7 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (26404157231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245394 + ... + 1266417.

Almost surely, 2^26404157232 is an apocalyptic number.

It is an amenable number.

26404157232 is an abundant number, since it is smaller than the sum of its proper divisors (48503100232).

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

26404157232 is a wasteful number, since it uses less digits than its factorization.

26404157232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511898 (or 2511889 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 26404157232 its reverse (23275140462), we get a palindrome (49679297694).

The spelling of 26404157232 in words is "twenty-six billion, four hundred four million, one hundred fifty-seven thousand, two hundred thirty-two".