42022040040 has 96 divisors (see below), whose sum is σ = 139148516520. Its totient is φ = 10994440704.

The previous prime is 42022039921. The next prime is 42022040057. The reversal of 42022040040 is 4004022024.

42022040040 is a `hidden beast` number, since 4 + 2 + 0 + 220 + 400 + 40 = 666.

42022040040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40935810276 + 1086229764 = 202326^2 + 32958^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42022039995 and 42022040022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1082127 + ... + 1120286.

Almost surely, 2^42022040040 is an apocalyptic number.

42022040040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42022040040 is an abundant number, since it is smaller than the sum of its proper divisors (97126476480).

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

42022040040 is a wasteful number, since it uses less digits than its factorization.

42022040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202483 (or 2202476 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 42022040040 its reverse (4004022024), we get a palindrome (46026062064).

The spelling of 42022040040 in words is "forty-two billion, twenty-two million, forty thousand, forty".