200142323040 has 96 divisors (see below), whose sum is σ = 687761819136. Its totient is φ = 48519349760.

The previous prime is 200142323027. The next prime is 200142323041. The reversal of 200142323040 is 40323241002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 200142322998 and 200142323016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200142323041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18947592 + ... + 18958151.

It is an arithmetic number, because the mean of its divisors is an integer number (7164185616).

Almost surely, 2^200142323040 is an apocalyptic number.

200142323040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200142323040 is an abundant number, since it is smaller than the sum of its proper divisors (487619496096).

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

200142323040 is a wasteful number, since it uses less digits than its factorization.

200142323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37905772 (or 37905764 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 200142323040 its reverse (40323241002), we get a palindrome (240465564042).

The spelling of 200142323040 in words is "two hundred billion, one hundred forty-two million, three hundred twenty-three thousand, forty".