464640744404426 has 32 divisors (see below), whose sum is σ = 739403051285520. Its totient is φ = 218226581913600.

The previous prime is 464640744404399. The next prime is 464640744404461. The reversal of 464640744404426 is 624404447046464.

It can be written as a sum of positive squares in 8 ways, for example, as 339408955533025 + 125231788871401 = 18423055^2 + 11190701^2 .

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, 484193420 + ... + 485152088.

Almost surely, 2^{464640744404426} is an apocalyptic number.

464640744404426 is a deficient number, since it is larger than the sum of its proper divisors (274762306881094).

464640744404426 is a wasteful number, since it uses less digits than its factorization.

464640744404426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986570.

The product of its (nonzero) digits is 198180864, while the sum is 59.

The spelling of 464640744404426 in words is "four hundred sixty-four trillion, six hundred forty billion, seven hundred forty-four million, four hundred four thousand, four hundred twenty-six".