351440520400142 has 16 divisors (see below), whose sum is σ = 527786292475680. Its totient is φ = 175511762101152.

The previous prime is 351440520400069. The next prime is 351440520400237. The reversal of 351440520400142 is 241004025044153.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121589543 + ... + 124446365.

It is an arithmetic number, because the mean of its divisors is an integer number (32986643279730).

Almost surely, 2^{351440520400142} is an apocalyptic number.

351440520400142 is a deficient number, since it is larger than the sum of its proper divisors (176345772075538).

351440520400142 is a wasteful number, since it uses less digits than its factorization.

351440520400142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929787.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 351440520400142 its reverse (241004025044153), we get a palindrome (592444545444295).

The spelling of 351440520400142 in words is "three hundred fifty-one trillion, four hundred forty billion, five hundred twenty million, four hundred thousand, one hundred forty-two".