42040202232 has 64 divisors (see below), whose sum is σ = 120134188800. Its totient is φ = 12009553920.

The previous prime is 42040202227. The next prime is 42040202233. The reversal of 42040202232 is 23220204024.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 42040202199 and 42040202208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42040202233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274119 + ... + 1306697.

It is an arithmetic number, because the mean of its divisors is an integer number (1877096700).

Almost surely, 2^42040202232 is an apocalyptic number.

42040202232 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42040202232 is an abundant number, since it is smaller than the sum of its proper divisors (78093986568).

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

42040202232 is a wasteful number, since it uses less digits than its factorization.

42040202232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40276 (or 40272 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 42040202232 its reverse (23220204024), we get a palindrome (65260406256).

The spelling of 42040202232 in words is "forty-two billion, forty million, two hundred two thousand, two hundred thirty-two".