400526532545411 has 4 divisors (see below), whose sum is σ = 401186378563392. Its totient is φ = 399866686527432.

The previous prime is 400526532545407. The next prime is 400526532545431. The reversal of 400526532545411 is 114545235625004.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 400526532545411 - 2² = 400526532545407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400526532545431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329923008080 + ... + 329923009293.

It is an arithmetic number, because the mean of its divisors is an integer number (100296594640848).

Almost surely, 2^{400526532545411} is an apocalyptic number.

400526532545411 is a deficient number, since it is larger than the sum of its proper divisors (659846017981).

400526532545411 is an equidigital number, since it uses as much as digits as its factorization.

400526532545411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659846017980.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 400526532545411 in words is "four hundred trillion, five hundred twenty-six billion, five hundred thirty-two million, five hundred forty-five thousand, four hundred eleven".