630034040 has 16 divisors (see below), whose sum is σ = 1417576680. Its totient is φ = 252013600.

The previous prime is 630034021. The next prime is 630034057. The reversal of 630034040 is 40430036.

It is a happy number.

630034040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7875386 + ... + 7875465.

Almost surely, 2^630034040 is an apocalyptic number.

It is an amenable number.

630034040 is an abundant number, since it is smaller than the sum of its proper divisors (787542640).

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

630034040 is a wasteful number, since it uses less digits than its factorization.

630034040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15750862 (or 15750858 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 630034040 is about 25100.4788798939. The cubic root of 630034040 is about 857.2773277388.

Adding to 630034040 its reverse (40430036), we get a palindrome (670464076).

The spelling of 630034040 in words is "six hundred thirty million, thirty-four thousand, forty".