400066515105 has 48 divisors (see below), whose sum is σ = 667972256832. Its totient is φ = 204440784000.

The previous prime is 400066515103. The next prime is 400066515119. The reversal of 400066515105 is 501515660004.

It is not a de Polignac number, because 400066515105 - 2¹ = 400066515103 is a prime.

It is a super-2 number, since 2×400066515105² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400066515103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1318522 + ... + 1593308.

It is an arithmetic number, because the mean of its divisors is an integer number (13916088684).

Almost surely, 2^400066515105 is an apocalyptic number.

It is an amenable number.

400066515105 is a deficient number, since it is larger than the sum of its proper divisors (267905741727).

400066515105 is a wasteful number, since it uses less digits than its factorization.

400066515105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274958 (or 274927 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 400066515105 in words is "four hundred billion, sixty-six million, five hundred fifteen thousand, one hundred five".