42033040040 has 32 divisors (see below), whose sum is σ = 98686270080. Its totient is φ = 16082206272.

The previous prime is 42033040019. The next prime is 42033040051. The reversal of 42033040040 is 4004033024.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 42033039994 and 42033040021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22843124 + ... + 22844963.

It is an arithmetic number, because the mean of its divisors is an integer number (3083945940).

Almost surely, 2^42033040040 is an apocalyptic number.

42033040040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42033040040 is an abundant number, since it is smaller than the sum of its proper divisors (56653230040).

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

42033040040 is a wasteful number, since it uses less digits than its factorization.

42033040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45688121 (or 45688117 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 42033040040 its reverse (4004033024), we get a palindrome (46037073064).

The spelling of 42033040040 in words is "forty-two billion, thirty-three million, forty thousand, forty".