26442156122402 has 64 divisors (see below), whose sum is σ = 41408646709248. Its totient is φ = 12649921104000.

The previous prime is 26442156122381. The next prime is 26442156122419. The reversal of 26442156122402 is 20422165124462.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26442156122402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2487263627 + ... + 2487274257.

It is an arithmetic number, because the mean of its divisors is an integer number (647010104832).

Almost surely, 2^{26442156122402} is an apocalyptic number.

26442156122402 is a deficient number, since it is larger than the sum of its proper divisors (14966490586846).

26442156122402 is a wasteful number, since it uses less digits than its factorization.

26442156122402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 26442156122402 in words is "twenty-six trillion, four hundred forty-two billion, one hundred fifty-six million, one hundred twenty-two thousand, four hundred two".