400046151 has 4 divisors (see below), whose sum is σ = 533394872. Its totient is φ = 266697432.

The previous prime is 400046149. The next prime is 400046161. The reversal of 400046151 is 151640004.

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

It is not a de Polignac number, because 400046151 - 2¹ = 400046149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400046161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66674356 + ... + 66674361.

It is an arithmetic number, because the mean of its divisors is an integer number (133348718).

Almost surely, 2^400046151 is an apocalyptic number.

400046151 is a deficient number, since it is larger than the sum of its proper divisors (133348721).

400046151 is a wasteful number, since it uses less digits than its factorization.

400046151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133348720.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 400046151 is about 20001.1537417220. The cubic root of 400046151 is about 736.8346355946.

Adding to 400046151 its reverse (151640004), we get a palindrome (551686155).

The spelling of 400046151 in words is "four hundred million, forty-six thousand, one hundred fifty-one".