464404563 has 32 divisors (see below), whose sum is σ = 792337920. Its totient is φ = 263334240.

The previous prime is 464404561. The next prime is 464404571. The reversal of 464404563 is 365404464.

464404563 is a `hidden beast` number, since 4 + 644 + 0 + 4 + 5 + 6 + 3 = 666.

It is not a de Polignac number, because 464404563 - 2¹ = 464404561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (464404561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15381 + ... + 34137.

It is an arithmetic number, because the mean of its divisors is an integer number (24760560).

Almost surely, 2^464404563 is an apocalyptic number.

464404563 is a deficient number, since it is larger than the sum of its proper divisors (327933357).

464404563 is a wasteful number, since it uses less digits than its factorization.

464404563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18904 (or 18898 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 464404563 is about 21550.0478653761. The cubic root of 464404563 is about 774.4002646988.

Subtracting from 464404563 its reverse (365404464), we obtain a palindrome (99000099).

The spelling of 464404563 in words is "four hundred sixty-four million, four hundred four thousand, five hundred sixty-three".