42102403140 has 48 divisors (see below), whose sum is σ = 134727691392. Its totient is φ = 9623406336.

The previous prime is 42102403081. The next prime is 42102403153. The reversal of 42102403140 is 4130420124.

It is a super-2 number, since 2×42102403140² (a number of 22 digits) contains 22 as substring.

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

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 15 ways as a sum of consecutive naturals, for example, 50121489 + ... + 50122328.

It is an arithmetic number, because the mean of its divisors is an integer number (2806826904).

Almost surely, 2^42102403140 is an apocalyptic number.

It is an amenable number.

42102403140 is an abundant number, since it is smaller than the sum of its proper divisors (92625288252).

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

42102403140 is a wasteful number, since it uses less digits than its factorization.

42102403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100243836 (or 100243834 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42102403140 its reverse (4130420124), we get a palindrome (46232823264).

The spelling of 42102403140 in words is "forty-two billion, one hundred two million, four hundred three thousand, one hundred forty".