351154206642 has 32 divisors (see below), whose sum is σ = 711440936640. Its totient is φ = 115531977920.

The previous prime is 351154206527. The next prime is 351154206649. The reversal of 351154206642 is 246602451153.

It is a self number, because there is not a number n which added to its sum of digits gives 351154206642.

It is not an unprimeable number, because it can be changed into a prime (351154206649) 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, 196084 + ... + 860672.

It is an arithmetic number, because the mean of its divisors is an integer number (22232529270).

Almost surely, 2^351154206642 is an apocalyptic number.

351154206642 is an abundant number, since it is smaller than the sum of its proper divisors (360286729998).

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

351154206642 is a wasteful number, since it uses less digits than its factorization.

351154206642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665738.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 351154206642 its reverse (246602451153), we get a palindrome (597756657795).

The spelling of 351154206642 in words is "three hundred fifty-one billion, one hundred fifty-four million, two hundred six thousand, six hundred forty-two".