470390040385 has 4 divisors (see below), whose sum is σ = 564468048468. Its totient is φ = 376312032304.

The previous prime is 470390040361. The next prime is 470390040403. The reversal of 470390040385 is 583040093074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51065152576 + 419324887809 = 225976^2 + 647553^2 .

It is a cyclic number.

It is not a de Polignac number, because 470390040385 - 2¹¹ = 470390038337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47039004034 + ... + 47039004043.

It is an arithmetic number, because the mean of its divisors is an integer number (141117012117).

Almost surely, 2^470390040385 is an apocalyptic number.

It is an amenable number.

470390040385 is a deficient number, since it is larger than the sum of its proper divisors (94078008083).

470390040385 is an equidigital number, since it uses as much as digits as its factorization.

470390040385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94078008082.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 470390040385 in words is "four hundred seventy billion, three hundred ninety million, forty thousand, three hundred eighty-five".