428411143251 has 36 divisors (see below), whose sum is σ = 765804553488. Its totient is φ = 225975102912.

The previous prime is 428411143241. The next prime is 428411143291. The reversal of 428411143251 is 152341114824.

428411143251 is a `hidden beast` number, since 428 + 41 + 1 + 143 + 2 + 51 = 666.

It is not a de Polignac number, because 428411143251 - 2⁵ = 428411143219 is a prime.

It is a super-2 number, since 2×428411143251² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (428411143231) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20108220 + ... + 20129513.

It is an arithmetic number, because the mean of its divisors is an integer number (21272348708).

Almost surely, 2^428411143251 is an apocalyptic number.

428411143251 is a deficient number, since it is larger than the sum of its proper divisors (337393410237).

428411143251 is a wasteful number, since it uses less digits than its factorization.

428411143251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40237772 (or 40237756 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The spelling of 428411143251 in words is "four hundred twenty-eight billion, four hundred eleven million, one hundred forty-three thousand, two hundred fifty-one".