464105644478 has 32 divisors (see below), whose sum is σ = 806914690560. Its totient is φ = 196076855520.

The previous prime is 464105644427. The next prime is 464105644529. The reversal of 464105644478 is 874446501464.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (464105644427) and next prime (464105644529).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9720368 + ... + 9767996.

It is an arithmetic number, because the mean of its divisors is an integer number (25216084080).

Almost surely, 2^464105644478 is an apocalyptic number.

464105644478 is a deficient number, since it is larger than the sum of its proper divisors (342809046082).

464105644478 is a wasteful number, since it uses less digits than its factorization.

464105644478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57512.

The product of its (nonzero) digits is 10321920, while the sum is 53.

The spelling of 464105644478 in words is "four hundred sixty-four billion, one hundred five million, six hundred forty-four thousand, four hundred seventy-eight".