400652242106 has 8 divisors (see below), whose sum is σ = 602447749140. Its totient is φ = 199836325728.

The previous prime is 400652242103. The next prime is 400652242139. The reversal of 400652242106 is 601242256004.

It can be written as a sum of positive squares in 2 ways, for example, as 370565605081 + 30086637025 = 608741^2 + 173455^2 .

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

It is not an unprimeable number, because it can be changed into a prime (400652242103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244896641 + ... + 244898276.

Almost surely, 2^400652242106 is an apocalyptic number.

400652242106 is a deficient number, since it is larger than the sum of its proper divisors (201795507034).

400652242106 is a wasteful number, since it uses less digits than its factorization.

400652242106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489795328.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 400652242106 in words is "four hundred billion, six hundred fifty-two million, two hundred forty-two thousand, one hundred six".