400315013012 has 24 divisors (see below), whose sum is σ = 720573746760. Its totient is φ = 194453170560.

The previous prime is 400315012991. The next prime is 400315013029. The reversal of 400315013012 is 210310513004.

It can be written as a sum of positive squares in 4 ways, for example, as 71431114756 + 328883898256 = 267266^2 + 573484^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948187 + ... + 2143842.

It is an arithmetic number, because the mean of its divisors is an integer number (30023906115).

Almost surely, 2^400315013012 is an apocalyptic number.

It is an amenable number.

400315013012 is a deficient number, since it is larger than the sum of its proper divisors (320258733748).

400315013012 is a wasteful number, since it uses less digits than its factorization.

400315013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092731 (or 4092729 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 400315013012 its reverse (210310513004), we get a palindrome (610625526016).

The spelling of 400315013012 in words is "four hundred billion, three hundred fifteen million, thirteen thousand, twelve".