42122206040 has 48 divisors (see below), whose sum is σ = 97930931040. Its totient is φ = 16305355200.

The previous prime is 42122206031. The next prime is 42122206043. The reversal of 42122206040 is 4060222124.

It is a junction number, because it is equal to n+sod(n) for n = 42122205997 and 42122206015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42122206043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509456 + ... + 586335.

It is an arithmetic number, because the mean of its divisors is an integer number (2040227730).

Almost surely, 2^42122206040 is an apocalyptic number.

42122206040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42122206040 is an abundant number, since it is smaller than the sum of its proper divisors (55808725000).

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

42122206040 is a wasteful number, since it uses less digits than its factorization.

42122206040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095864 (or 1095829 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42122206040 its reverse (4060222124), we get a palindrome (46182428164).

The spelling of 42122206040 in words is "forty-two billion, one hundred twenty-two million, two hundred six thousand, forty".