42022222040 has 32 divisors (see below), whose sum is σ = 94707900000. Its totient is φ = 16780817664.

The previous prime is 42022222007. The next prime is 42022222049. The reversal of 42022222040 is 4022222024.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42022222049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852965 + ... + 900884.

It is an arithmetic number, because the mean of its divisors is an integer number (2959621875).

Almost surely, 2^42022222040 is an apocalyptic number.

42022222040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42022222040 is an abundant number, since it is smaller than the sum of its proper divisors (52685677960).

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

42022222040 is a wasteful number, since it uses less digits than its factorization.

42022222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754459 (or 1754455 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 42022222040 its reverse (4022222024), we get a palindrome (46044444064).

The spelling of 42022222040 in words is "forty-two billion, twenty-two million, two hundred twenty-two thousand, forty".