42200477442 has 32 divisors (see below), whose sum is σ = 99295243200. Its totient is φ = 13239365184.

The previous prime is 42200477399. The next prime is 42200477447. The reversal of 42200477442 is 24477400224.

42200477442 is a `hidden beast` number, since 4 + 2 + 200 + 4 + 7 + 7 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42200477397 and 42200477406.

It is not an unprimeable number, because it can be changed into a prime (42200477447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22984092 + ... + 22985927.

It is an arithmetic number, because the mean of its divisors is an integer number (3102976350).

Almost surely, 2^42200477442 is an apocalyptic number.

42200477442 is an abundant number, since it is smaller than the sum of its proper divisors (57094765758).

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

42200477442 is a wasteful number, since it uses less digits than its factorization.

42200477442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45970047 (or 45970041 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 36.

Adding to 42200477442 its reverse (24477400224), we get a palindrome (66677877666).

The spelling of 42200477442 in words is "forty-two billion, two hundred million, four hundred seventy-seven thousand, four hundred forty-two".