400214013445 has 8 divisors (see below), whose sum is σ = 480645066744. Its totient is φ = 319912377024.

The previous prime is 400214013443. The next prime is 400214013449. The reversal of 400214013445 is 544310412004.

It can be written as a sum of positive squares in 4 ways, for example, as 198475596036 + 201738417409 = 445506^2 + 449153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400214013445 - 2¹ = 400214013443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400214013443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32347414 + ... + 32359783.

It is an arithmetic number, because the mean of its divisors is an integer number (60080633343).

Almost surely, 2^400214013445 is an apocalyptic number.

It is an amenable number.

400214013445 is a deficient number, since it is larger than the sum of its proper divisors (80431053299).

400214013445 is a wasteful number, since it uses less digits than its factorization.

400214013445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64708439.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 400214013445 its reverse (544310412004), we get a palindrome (944524425449).

The spelling of 400214013445 in words is "four hundred billion, two hundred fourteen million, thirteen thousand, four hundred forty-five".