42034143540 has 48 divisors (see below), whose sum is σ = 117716739840. Its totient is φ = 11207091840.

The previous prime is 42034143469. The next prime is 42034143553. The reversal of 42034143540 is 4534143024.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42034143498 and 42034143507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290350 + ... + 410330.

It is an arithmetic number, because the mean of its divisors is an integer number (2452432080).

Almost surely, 2^42034143540 is an apocalyptic number.

It is an amenable number.

42034143540 is an abundant number, since it is smaller than the sum of its proper divisors (75682596300).

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

42034143540 is a wasteful number, since it uses less digits than its factorization.

42034143540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125832 (or 125830 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 42034143540 its reverse (4534143024), we get a palindrome (46568286564).

The spelling of 42034143540 in words is "forty-two billion, thirty-four million, one hundred forty-three thousand, five hundred forty".