436628660388 has 12 divisors (see below), whose sum is σ = 1018800207600. Its totient is φ = 145542886792.

The previous prime is 436628660381. The next prime is 436628660389. The reversal of 436628660388 is 883066826634.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (436628660381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18192860838 + ... + 18192860861.

It is an arithmetic number, because the mean of its divisors is an integer number (84900017300).

Almost surely, 2^436628660388 is an apocalyptic number.

It is an amenable number.

436628660388 is an abundant number, since it is smaller than the sum of its proper divisors (582171547212).

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

436628660388 is a wasteful number, since it uses less digits than its factorization.

436628660388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36385721706 (or 36385721704 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 60.

The spelling of 436628660388 in words is "four hundred thirty-six billion, six hundred twenty-eight million, six hundred sixty thousand, three hundred eighty-eight".