42422844240 has 120 divisors (see below), whose sum is σ = 162822935808. Its totient is φ = 9696648960.

The previous prime is 42422844223. The next prime is 42422844241. The reversal of 42422844240 is 4244822424.

42422844240 is a `hidden beast` number, since 4 + 2 + 4 + 228 + 4 + 424 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×42422844240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42422844195 and 42422844204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42422844241) 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, 4203576 + ... + 4213655.

Almost surely, 2^42422844240 is an apocalyptic number.

42422844240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42422844240 is an abundant number, since it is smaller than the sum of its proper divisors (120400091568).

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

42422844240 is a wasteful number, since it uses less digits than its factorization.

42422844240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8417257 (or 8417248 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 36.

It can be divided in two parts, 4242 and 2844240, that added together give a palindrome (2848482).

The spelling of 42422844240 in words is "forty-two billion, four hundred twenty-two million, eight hundred forty-four thousand, two hundred forty".