26664604024002 has 64 divisors (see below), whose sum is σ = 61802096615424. Its totient is φ = 7511720492160.

The previous prime is 26664604024001. The next prime is 26664604024013. The reversal of 26664604024002 is 20042040646662.

It is a super-2 number, since 2×26664604024002² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (26664604024001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8336977 + ... + 11083067.

It is an arithmetic number, because the mean of its divisors is an integer number (965657759616).

Almost surely, 2^{26664604024002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26664604024002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30901048307712).

26664604024002 is an abundant number, since it is smaller than the sum of its proper divisors (35137492591422).

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

26664604024002 is a wasteful number, since it uses less digits than its factorization.

26664604024002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749343.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 26664604024002 in words is "twenty-six trillion, six hundred sixty-four billion, six hundred four million, twenty-four thousand, two".