1026438376275 has 144 divisors (see below), whose sum is σ = 2031223180896. Its totient is φ = 492387932160.

The previous prime is 1026438376261. The next prime is 1026438376319. The reversal of 1026438376275 is 5726738346201.

It is a happy number.

1026438376275 is a `hidden beast` number, since 1 + 0 + 2 + 6 + 4 + 3 + 8 + 3 + 7 + 627 + 5 = 666.

It is not a de Polignac number, because 1026438376275 - 2⁶ = 1026438376211 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17693617 + ... + 17751533.

It is an arithmetic number, because the mean of its divisors is an integer number (14105716534).

Almost surely, 2^{1026438376275} is an apocalyptic number.

1026438376275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1026438376275 is a deficient number, since it is larger than the sum of its proper divisors (1004784804621).

1026438376275 is a wasteful number, since it uses less digits than its factorization.

1026438376275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58102 (or 58094 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 1026438376275 in words is "one trillion, twenty-six billion, four hundred thirty-eight million, three hundred seventy-six thousand, two hundred seventy-five".