1042646026 has 16 divisors (see below), whose sum is σ = 1634396544. Its totient is φ = 498363264.

The previous prime is 1042646021. The next prime is 1042646041. The reversal of 1042646026 is 6206462401.

It is a super-2 number, since 2×1042646026² = 2174221471067185352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042646021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124935 + ... + 133018.

It is an arithmetic number, because the mean of its divisors is an integer number (102149784).

Almost surely, 2^1042646026 is an apocalyptic number.

1042646026 is a deficient number, since it is larger than the sum of its proper divisors (591750518).

1042646026 is a wasteful number, since it uses less digits than its factorization.

1042646026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258045.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1042646026 is about 32290.0298234610. The cubic root of 1042646026 is about 1014.0179216877.

The spelling of 1042646026 in words is "one billion, forty-two million, six hundred forty-six thousand, twenty-six".