1026438376276 has 6 divisors (see below), whose sum is σ = 1796267158490. Its totient is φ = 513219188136.

The previous prime is 1026438376261. The next prime is 1026438376319. The reversal of 1026438376276 is 6726738346201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1016810056900 + 9628319376 = 1008370^2 + 98124^2 .

It is a super-2 number, since 2×1026438376276² (a number of 25 digits) contains 22 as substring.

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, 128304797031 + ... + 128304797038.

Almost surely, 2^{1026438376276} is an apocalyptic number.

It is an amenable number.

1026438376276 is a deficient number, since it is larger than the sum of its proper divisors (769828782214).

1026438376276 is a wasteful number, since it uses less digits than its factorization.

1026438376276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256609594073 (or 256609594071 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 1026438376276 in words is "one trillion, twenty-six billion, four hundred thirty-eight million, three hundred seventy-six thousand, two hundred seventy-six".