200451240342 has 24 divisors (see below), whose sum is σ = 434638360416. Its totient is φ = 66766720176.

The previous prime is 200451240323. The next prime is 200451240389. The reversal of 200451240342 is 243042154002.

200451240342 is a `hidden beast` number, since 200 + 4 + 5 + 12 + 403 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4172113 + ... + 4219884.

It is an arithmetic number, because the mean of its divisors is an integer number (18109931684).

Almost surely, 2^200451240342 is an apocalyptic number.

200451240342 is an abundant number, since it is smaller than the sum of its proper divisors (234187120074).

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

200451240342 is a wasteful number, since it uses less digits than its factorization.

200451240342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8393332 (or 8393329 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 200451240342 its reverse (243042154002), we get a palindrome (443493394344).

The spelling of 200451240342 in words is "two hundred billion, four hundred fifty-one million, two hundred forty thousand, three hundred forty-two".