26466400402 has 16 divisors (see below), whose sum is σ = 43268520960. Its totient is φ = 12068088912.

The previous prime is 26466400397. The next prime is 26466400423. The reversal of 26466400402 is 20400466462.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6130002 + ... + 6134317.

It is an arithmetic number, because the mean of its divisors is an integer number (2704282560).

Almost surely, 2^26466400402 is an apocalyptic number.

26466400402 is a deficient number, since it is larger than the sum of its proper divisors (16802120558).

26466400402 is a wasteful number, since it uses less digits than its factorization.

26466400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264417.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 26466400402 its reverse (20400466462), we get a palindrome (46866866864).

The spelling of 26466400402 in words is "twenty-six billion, four hundred sixty-six million, four hundred thousand, four hundred two".