4020423134140 has 24 divisors (see below), whose sum is σ = 9649015522272. Its totient is φ = 1378430788800.

The previous prime is 4020423134111. The next prime is 4020423134179. The reversal of 4020423134140 is 414313240204.

4020423134140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4020423134099 and 4020423134108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14358653911 + ... + 14358654190.

It is an arithmetic number, because the mean of its divisors is an integer number (402042313428).

Almost surely, 2^{4020423134140} is an apocalyptic number.

It is an amenable number.

4020423134140 is an abundant number, since it is smaller than the sum of its proper divisors (5628592388132).

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

4020423134140 is a wasteful number, since it uses less digits than its factorization.

4020423134140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28717308117 (or 28717308115 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4020423134140 its reverse (414313240204), we get a palindrome (4434736374344).

The spelling of 4020423134140 in words is "four trillion, twenty billion, four hundred twenty-three million, one hundred thirty-four thousand, one hundred forty".