400512512411 has 16 divisors (see below), whose sum is σ = 440434476000. Its totient is φ = 361182278400.

The previous prime is 400512512369. The next prime is 400512512437. The reversal of 400512512411 is 114215215004.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400512512411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400512112411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086725 + ... + 1407833.

It is an arithmetic number, because the mean of its divisors is an integer number (27527154750).

Almost surely, 2^400512512411 is an apocalyptic number.

400512512411 is a deficient number, since it is larger than the sum of its proper divisors (39921963589).

400512512411 is a wasteful number, since it uses less digits than its factorization.

400512512411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322030.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 400512512411 its reverse (114215215004), we get a palindrome (514727727415).

The spelling of 400512512411 in words is "four hundred billion, five hundred twelve million, five hundred twelve thousand, four hundred eleven".