1026372368438 has 4 divisors (see below), whose sum is σ = 1539558552660. Its totient is φ = 513186184218.

The previous prime is 1026372368419. The next prime is 1026372368443. The reversal of 1026372368438 is 8348632736201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1026372368438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256593092108 + ... + 256593092111.

It is an arithmetic number, because the mean of its divisors is an integer number (384889638165).

Almost surely, 2^{1026372368438} is an apocalyptic number.

1026372368438 is a deficient number, since it is larger than the sum of its proper divisors (513186184222).

1026372368438 is an equidigital number, since it uses as much as digits as its factorization.

1026372368438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513186184221.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 1026372368438 in words is "one trillion, twenty-six billion, three hundred seventy-two million, three hundred sixty-eight thousand, four hundred thirty-eight".