34020142040 has 16 divisors (see below), whose sum is σ = 76545319680. Its totient is φ = 13608056800.

The previous prime is 34020142027. The next prime is 34020142103. The reversal of 34020142040 is 4024102043.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425251736 + ... + 425251815.

It is an arithmetic number, because the mean of its divisors is an integer number (4784082480).

Almost surely, 2^34020142040 is an apocalyptic number.

It is an amenable number.

34020142040 is an abundant number, since it is smaller than the sum of its proper divisors (42525177640).

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

34020142040 is a wasteful number, since it uses less digits than its factorization.

34020142040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850503562 (or 850503558 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 34020142040 its reverse (4024102043), we get a palindrome (38044244083).

The spelling of 34020142040 in words is "thirty-four billion, twenty million, one hundred forty-two thousand, forty".