42422220040 has 16 divisors (see below), whose sum is σ = 95449995180. Its totient is φ = 16968888000.

The previous prime is 42422220007. The next prime is 42422220077. The reversal of 42422220040 is 4002222424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37680244996 + 4741975044 = 194114^2 + 68862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42422219993 and 42422220020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530277711 + ... + 530277790.

Almost surely, 2^42422220040 is an apocalyptic number.

42422220040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42422220040 is an abundant number, since it is smaller than the sum of its proper divisors (53027775140).

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

42422220040 is a wasteful number, since it uses less digits than its factorization.

42422220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060555512 (or 1060555508 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 42422220040 its reverse (4002222424), we get a palindrome (46424442464).

The spelling of 42422220040 in words is "forty-two billion, four hundred twenty-two million, two hundred twenty thousand, forty".