42115644213650 has 192 divisors, whose sum is σ = 95192314801920. Its totient is φ = 13541404262400.

The previous prime is 42115644213637. The next prime is 42115644213719. The reversal of 42115644213650 is 5631244651124.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 598870490 + ... + 598940810.

It is an arithmetic number, because the mean of its divisors is an integer number (495793306260).

Almost surely, 2^{42115644213650} is an apocalyptic number.

42115644213650 is an abundant number, since it is smaller than the sum of its proper divisors (53076670588270).

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

42115644213650 is a wasteful number, since it uses less digits than its factorization.

42115644213650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71269 (or 71264 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

Adding to 42115644213650 its reverse (5631244651124), we get a palindrome (47746888864774).

The spelling of 42115644213650 in words is "forty-two trillion, one hundred fifteen billion, six hundred forty-four million, two hundred thirteen thousand, six hundred fifty".