1026690426384 has 80 divisors (see below), whose sum is σ = 3032002189440. Its totient is φ = 293260677120.

The previous prime is 1026690426383. The next prime is 1026690426451. The reversal of 1026690426384 is 4836240966201.

It is a super-4 number, since 4×1026690426384⁴ (a number of 49 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1026690426383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834304 + ... + 1658144.

It is an arithmetic number, because the mean of its divisors is an integer number (37900027368).

Almost surely, 2^{1026690426384} is an apocalyptic number.

1026690426384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1026690426384 is an abundant number, since it is smaller than the sum of its proper divisors (2005311763056).

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

1026690426384 is a wasteful number, since it uses less digits than its factorization.

1026690426384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827568 (or 827562 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 1026690426384 in words is "one trillion, twenty-six billion, six hundred ninety million, four hundred twenty-six thousand, three hundred eighty-four".