42121114040 has 16 divisors (see below), whose sum is σ = 94772506680. Its totient is φ = 16848445600.

The previous prime is 42121114039. The next prime is 42121114067. The reversal of 42121114040 is 4041112124.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 526513886 + ... + 526513965.

Almost surely, 2^42121114040 is an apocalyptic number.

42121114040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42121114040 is an abundant number, since it is smaller than the sum of its proper divisors (52651392640).

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

42121114040 is a wasteful number, since it uses less digits than its factorization.

42121114040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053027862 (or 1053027858 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 42121114040 its reverse (4041112124), we get a palindrome (46162226164).

The spelling of 42121114040 in words is "forty-two billion, one hundred twenty-one million, one hundred fourteen thousand, forty".