402251415154 has 16 divisors (see below), whose sum is σ = 604156625280. Its totient is φ = 200865964320.

The previous prime is 402251415151. The next prime is 402251415187. The reversal of 402251415154 is 451514152204.

It is not an unprimeable number, because it can be changed into a prime (402251415151) 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, 10315614 + ... + 10354534.

It is an arithmetic number, because the mean of its divisors is an integer number (37759789080).

Almost surely, 2^402251415154 is an apocalyptic number.

402251415154 is a deficient number, since it is larger than the sum of its proper divisors (201905210126).

402251415154 is a wasteful number, since it uses less digits than its factorization.

402251415154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45465.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 402251415154 its reverse (451514152204), we get a palindrome (853765567358).

The spelling of 402251415154 in words is "four hundred two billion, two hundred fifty-one million, four hundred fifteen thousand, one hundred fifty-four".