240400550122142 has 4 divisors (see below), whose sum is σ = 360600825183216. Its totient is φ = 120200275061070.

The previous prime is 240400550122141. The next prime is 240400550122171. The reversal of 240400550122142 is 241221055004042.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×240400550122142² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240400550122099 and 240400550122108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240400550122141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100137530534 + ... + 60100137530537.

It is an arithmetic number, because the mean of its divisors is an integer number (90150206295804).

Almost surely, 2^{240400550122142} is an apocalyptic number.

240400550122142 is a deficient number, since it is larger than the sum of its proper divisors (120200275061074).

240400550122142 is a wasteful number, since it uses less digits than its factorization.

240400550122142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120200275061073.

The product of its (nonzero) digits is 25600, while the sum is 32.

The spelling of 240400550122142 in words is "two hundred forty trillion, four hundred billion, five hundred fifty million, one hundred twenty-two thousand, one hundred forty-two".