400264014485 has 4 divisors (see below), whose sum is σ = 480316817388. Its totient is φ = 320211211584.

The previous prime is 400264014481. The next prime is 400264014517. The reversal of 400264014485 is 584410462004.

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 320040249841 + 80223764644 = 565721^2 + 283238^2 .

It is a cyclic number.

It is not a de Polignac number, because 400264014485 - 2² = 400264014481 is a prime.

It is a super-2 number, since 2×400264014485² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400264014481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40026401444 + ... + 40026401453.

It is an arithmetic number, because the mean of its divisors is an integer number (120079204347).

Almost surely, 2^400264014485 is an apocalyptic number.

It is an amenable number.

400264014485 is a deficient number, since it is larger than the sum of its proper divisors (80052802903).

400264014485 is an equidigital number, since it uses as much as digits as its factorization.

400264014485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80052802902.

The product of its (nonzero) digits is 122880, while the sum is 38.

Adding to 400264014485 its reverse (584410462004), we get a palindrome (984674476489).

The spelling of 400264014485 in words is "four hundred billion, two hundred sixty-four million, fourteen thousand, four hundred eighty-five".