464420027340644 has 24 divisors (see below), whose sum is σ = 832319212394208. Its totient is φ = 226623412753920.

The previous prime is 464420027340637. The next prime is 464420027340649. The reversal of 464420027340644 is 446043720024464.

It is a junction number, because it is equal to n+sod(n) for n = 464420027340592 and 464420027340601.

It is not an unprimeable number, because it can be changed into a prime (464420027340649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109123642 + ... + 1109542289.

It is an arithmetic number, because the mean of its divisors is an integer number (34679967183092).

Almost surely, 2^{464420027340644} is an apocalyptic number.

It is an amenable number.

464420027340644 is a deficient number, since it is larger than the sum of its proper divisors (367899185053564).

464420027340644 is a wasteful number, since it uses less digits than its factorization.

464420027340644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218667195 (or 2218667193 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 50.

The spelling of 464420027340644 in words is "four hundred sixty-four trillion, four hundred twenty billion, twenty-seven million, three hundred forty thousand, six hundred forty-four".