1010642646 has 24 divisors (see below), whose sum is σ = 2188731240. Its totient is φ = 310966656.

The previous prime is 1010642621. The next prime is 1010642653. The reversal of 1010642646 is 6462460101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497331 + ... + 499358.

It is an arithmetic number, because the mean of its divisors is an integer number (91197135).

Almost surely, 2^1010642646 is an apocalyptic number.

1010642646 is an abundant number, since it is smaller than the sum of its proper divisors (1178088594).

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

1010642646 is a wasteful number, since it uses less digits than its factorization.

1010642646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996720 (or 996707 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1010642646 is about 31790.6062540493. The cubic root of 1010642646 is about 1003.5350374517.

The spelling of 1010642646 in words is "one billion, ten million, six hundred forty-two thousand, six hundred forty-six".