630570545040 has 80 divisors (see below), whose sum is σ = 2000228459328. Its totient is φ = 164241627648.

The previous prime is 630570545039. The next prime is 630570545047. The reversal of 630570545040 is 40545075036.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 630570545040.

It is not an unprimeable number, because it can be changed into a prime (630570545047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30540579 + ... + 30561218.

Almost surely, 2^630570545040 is an apocalyptic number.

630570545040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

630570545040 is an abundant number, since it is smaller than the sum of its proper divisors (1369657914288).

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

630570545040 is a wasteful number, since it uses less digits than its factorization.

630570545040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61101856 (or 61101850 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 630570545040 in words is "six hundred thirty billion, five hundred seventy million, five hundred forty-five thousand, forty".