402150646254 has 48 divisors (see below), whose sum is σ = 936025389648. Its totient is φ = 114849883008.

The previous prime is 402150646231. The next prime is 402150646333. The reversal of 402150646254 is 452646051204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 375874 + ... + 972410.

It is an arithmetic number, because the mean of its divisors is an integer number (19500528951).

Almost surely, 2^402150646254 is an apocalyptic number.

402150646254 is an abundant number, since it is smaller than the sum of its proper divisors (533874743394).

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

402150646254 is a wasteful number, since it uses less digits than its factorization.

402150646254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598849 (or 598842 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 402150646254 its reverse (452646051204), we get a palindrome (854796697458).

The spelling of 402150646254 in words is "four hundred two billion, one hundred fifty million, six hundred forty-six thousand, two hundred fifty-four".