630540446 has 16 divisors (see below), whose sum is σ = 1020967200. Its totient is φ = 291163488.

The previous prime is 630540439. The next prime is 630540473. The reversal of 630540446 is 644045036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235001 + ... + 237668.

It is an arithmetic number, because the mean of its divisors is an integer number (63810450).

Almost surely, 2^630540446 is an apocalyptic number.

630540446 is a deficient number, since it is larger than the sum of its proper divisors (390426754).

630540446 is a wasteful number, since it uses less digits than its factorization.

630540446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472723.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 630540446 is about 25110.5644301358. The cubic root of 630540446 is about 857.5069524322.

The spelling of 630540446 in words is "six hundred thirty million, five hundred forty thousand, four hundred forty-six".