42236123091552 has 144 divisors (see below), whose sum is σ = 129352291247088. Its totient is φ = 12995311795200.

The previous prime is 42236123091541. The next prime is 42236123091559. The reversal of 42236123091552 is 25519032163224.

It is a happy number.

42236123091552 is a `hidden beast` number, since 4 + 2 + 2 + 3 + 6 + 1 + 2 + 3 + 0 + 91 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 42236123091498 and 42236123091507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42236123091559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128258503 + ... + 128587385.

It is an arithmetic number, because the mean of its divisors is an integer number (898279800327).

Almost surely, 2^{42236123091552} is an apocalyptic number.

It is an amenable number.

42236123091552 is an abundant number, since it is smaller than the sum of its proper divisors (87116168155536).

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

42236123091552 is a wasteful number, since it uses less digits than its factorization.

42236123091552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363213 (or 363202 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 42236123091552 in words is "forty-two trillion, two hundred thirty-six billion, one hundred twenty-three million, ninety-one thousand, five hundred fifty-two".