1042644834 has 72 divisors (see below), whose sum is σ = 2866816368. Its totient is φ = 270814320.

The previous prime is 1042644803. The next prime is 1042644847. The reversal of 1042644834 is 4384462401.

1042644834 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 644 + 8 + 3 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44032 + ... + 63435.

It is an arithmetic number, because the mean of its divisors is an integer number (39816894).

Almost surely, 2^1042644834 is an apocalyptic number.

1042644834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1042644834 is an abundant number, since it is smaller than the sum of its proper divisors (1824171534).

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

1042644834 is a wasteful number, since it uses less digits than its factorization.

1042644834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107500 (or 107490 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 1042644834 is about 32290.0113657459. The cubic root of 1042644834 is about 1014.0175352639.

The spelling of 1042644834 in words is "one billion, forty-two million, six hundred forty-four thousand, eight hundred thirty-four".