464228987392 has 40 divisors (see below), whose sum is σ = 928068141132. Its totient is φ = 231985152000.

The previous prime is 464228987377. The next prime is 464228987399. The reversal of 464228987392 is 293789822464.

It can be written as a sum of positive squares in 2 ways, for example, as 397383987456 + 66844999936 = 630384^2 + 258544^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (464228987399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670392 + ... + 1173832.

Almost surely, 2^464228987392 is an apocalyptic number.

It is an amenable number.

464228987392 is a deficient number, since it is larger than the sum of its proper divisors (463839153740).

464228987392 is an equidigital number, since it uses as much as digits as its factorization.

464228987392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505260 (or 505244 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 64.

The spelling of 464228987392 in words is "four hundred sixty-four billion, two hundred twenty-eight million, nine hundred eighty-seven thousand, three hundred ninety-two".