63440021106030 has 64 divisors (see below), whose sum is σ = 154514643199488. Its totient is φ = 16668051711360.

The previous prime is 63440021106001. The next prime is 63440021106043. The reversal of 63440021106030 is 3060112004436.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51499776 + ... + 52717235.

It is an arithmetic number, because the mean of its divisors is an integer number (2414291299992).

Almost surely, 2^{63440021106030} is an apocalyptic number.

63440021106030 is an abundant number, since it is smaller than the sum of its proper divisors (91074622093458).

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

63440021106030 is a wasteful number, since it uses less digits than its factorization.

63440021106030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104217321.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 63440021106030 in words is "sixty-three trillion, four hundred forty billion, twenty-one million, one hundred six thousand, thirty".