402150612342 has 16 divisors (see below), whose sum is σ = 805575877632. Its totient is φ = 133837761960.

The previous prime is 402150612337. The next prime is 402150612343. The reversal of 402150612342 is 243216051204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402150612343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53106438 + ... + 53114009.

It is an arithmetic number, because the mean of its divisors is an integer number (50348492352).

Almost surely, 2^402150612342 is an apocalyptic number.

402150612342 is an abundant number, since it is smaller than the sum of its proper divisors (403425265290).

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

402150612342 is a wasteful number, since it uses less digits than its factorization.

402150612342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106221083.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 402150612342 its reverse (243216051204), we get a palindrome (645366663546).

The spelling of 402150612342 in words is "four hundred two billion, one hundred fifty million, six hundred twelve thousand, three hundred forty-two".