400014155461 has 2 divisors, whose sum is σ = 400014155462. Its totient is φ = 400014155460.

The previous prime is 400014155449. The next prime is 400014155473. The reversal of 400014155461 is 164551410004.

It is a balanced prime because it is at equal distance from previous prime (400014155449) and next prime (400014155473).

It can be written as a sum of positive squares in only one way, i.e., 337898064100 + 62116091361 = 581290^2 + 249231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400014155461 is a prime.

It is a super-3 number, since 3×400014155461³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400014195461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200007077730 + 200007077731.

It is an arithmetic number, because the mean of its divisors is an integer number (200007077731).

Almost surely, 2^400014155461 is an apocalyptic number.

It is an amenable number.

400014155461 is a deficient number, since it is larger than the sum of its proper divisors (1).

400014155461 is an equidigital number, since it uses as much as digits as its factorization.

400014155461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 400014155461 its reverse (164551410004), we get a palindrome (564565565465).

The spelling of 400014155461 in words is "four hundred billion, fourteen million, one hundred fifty-five thousand, four hundred sixty-one".