430679436642 has 120 divisors (see below), whose sum is σ = 1208952700956. Its totient is φ = 113585758272.

The previous prime is 430679436617. The next prime is 430679436647. The reversal of 430679436642 is 246634976034.

430679436642 is a `hidden beast` number, since 430 + 6 + 79 + 43 + 66 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 402236276841 + 28443159801 = 634221^2 + 168651^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (430679436647) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1983553 + ... + 2189940.

Almost surely, 2^430679436642 is an apocalyptic number.

430679436642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

430679436642 is an abundant number, since it is smaller than the sum of its proper divisors (778273264314).

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

430679436642 is a wasteful number, since it uses less digits than its factorization.

430679436642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173534 (or 4173518 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 54.

The spelling of 430679436642 in words is "four hundred thirty billion, six hundred seventy-nine million, four hundred thirty-six thousand, six hundred forty-two".