464543231646 has 32 divisors (see below), whose sum is σ = 1002307033728. Its totient is φ = 142686038880.

The previous prime is 464543231641. The next prime is 464543231759. The reversal of 464543231646 is 646132345464.

It is a junction number, because it is equal to n+sod(n) for n = 464543231595 and 464543231604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464543231641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5170596 + ... + 5259671.

It is an arithmetic number, because the mean of its divisors is an integer number (31322094804).

Almost surely, 2^464543231646 is an apocalyptic number.

464543231646 is an abundant number, since it is smaller than the sum of its proper divisors (537763802082).

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

464543231646 is a wasteful number, since it uses less digits than its factorization.

464543231646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10430856.

The product of its digits is 4976640, while the sum is 48.

The spelling of 464543231646 in words is "four hundred sixty-four billion, five hundred forty-three million, two hundred thirty-one thousand, six hundred forty-six".