1041142644 has 36 divisors (see below), whose sum is σ = 2667835716. Its totient is φ = 342292608.

The previous prime is 1041142631. The next prime is 1041142673. The reversal of 1041142644 is 4462411401.

1041142644 is a `hidden beast` number, since 1 + 0 + 4 + 1 + 14 + 2 + 644 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 219632400 + 821510244 = 14820^2 + 28662^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 195459 + ... + 200714.

Almost surely, 2^1041142644 is an apocalyptic number.

It is an amenable number.

1041142644 is an abundant number, since it is smaller than the sum of its proper divisors (1626693072).

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

1041142644 is a wasteful number, since it uses less digits than its factorization.

1041142644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396256 (or 396251 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1041142644 is about 32266.7420729146. The cubic root of 1041142644 is about 1013.5303194589.

The spelling of 1041142644 in words is "one billion, forty-one million, one hundred forty-two thousand, six hundred forty-four".