42356969597952 has 528 divisors, whose sum is σ = 132501423075840. Its totient is φ = 13489590140928.

The previous prime is 42356969597909. The next prime is 42356969597981. The reversal of 42356969597952 is 25979596965324.

42356969597952 is a `hidden beast` number, since 4 + 2 + 356 + 9 + 6 + 95 + 97 + 95 + 2 = 666.

It is a super-2 number, since 2×42356969597952² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5625838924 + ... + 5625846452.

Almost surely, 2^{42356969597952} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42356969597952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66250711537920).

42356969597952 is an abundant number, since it is smaller than the sum of its proper divisors (90144453477888).

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

42356969597952 is an equidigital number, since it uses as much as digits as its factorization.

42356969597952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570 (or 8540 counting only the distinct ones).

The product of its digits is 9920232000, while the sum is 81.

The spelling of 42356969597952 in words is "forty-two trillion, three hundred fifty-six billion, nine hundred sixty-nine million, five hundred ninety-seven thousand, nine hundred fifty-two".