42963563366520 has 128 divisors (see below), whose sum is σ = 133135374919680. Its totient is φ = 11080127808000.

The previous prime is 42963563366509. The next prime is 42963563366561. The reversal of 42963563366520 is 2566336536924.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 1923490 + ... + 9467150.

It is an arithmetic number, because the mean of its divisors is an integer number (1040120116560).

Almost surely, 2^{42963563366520} is an apocalyptic number.

42963563366520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42963563366520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66567687459840).

42963563366520 is an abundant number, since it is smaller than the sum of its proper divisors (90171811553160).

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

42963563366520 is a wasteful number, since it uses less digits than its factorization.

42963563366520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7545237 (or 7545233 counting only the distinct ones).

The product of its (nonzero) digits is 125971200, while the sum is 60.

The spelling of 42963563366520 in words is "forty-two trillion, nine hundred sixty-three billion, five hundred sixty-three million, three hundred sixty-six thousand, five hundred twenty".