42402200220424 has 32 divisors (see below), whose sum is σ = 86735116131840. Its totient is φ = 19272984494400.

The previous prime is 42402200220409. The next prime is 42402200220451.

42402200220424 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×42402200220424² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42402200220392 and 42402200220401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6986664 + ... + 11559319.

It is an arithmetic number, because the mean of its divisors is an integer number (2710472379120).

Almost surely, 2^{42402200220424} is an apocalyptic number.

42402200220424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42402200220424 is an abundant number, since it is smaller than the sum of its proper divisors (44332915911416).

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

42402200220424 is a wasteful number, since it uses less digits than its factorization.

42402200220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18571981 (or 18571977 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

It can be divided in two parts, 42402200 and 220424, that added together give a palindrome (42622624).

The spelling of 42402200220424 in words is "forty-two trillion, four hundred two billion, two hundred million, two hundred twenty thousand, four hundred twenty-four".