42424040400220 has 48 divisors (see below), whose sum is σ = 89121551702400. Its totient is φ = 16963699579904.

The previous prime is 42424040400211. The next prime is 42424040400239. The reversal of 42424040400220 is 2200404042424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053286722 + ... + 1053326998.

It is an arithmetic number, because the mean of its divisors is an integer number (1856698993800).

Almost surely, 2^{42424040400220} is an apocalyptic number.

It is an amenable number.

42424040400220 is an abundant number, since it is smaller than the sum of its proper divisors (46697511302180).

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

42424040400220 is a wasteful number, since it uses less digits than its factorization.

42424040400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57342 (or 57340 counting only the distinct ones).

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

Adding to 42424040400220 its reverse (2200404042424), we get a palindrome (44624444442644).

The spelling of 42424040400220 in words is "forty-two trillion, four hundred twenty-four billion, forty million, four hundred thousand, two hundred twenty".