400443151 has 8 divisors (see below), whose sum is σ = 415531008. Its totient is φ = 385491000.

The previous prime is 400443137. The next prime is 400443217. The reversal of 400443151 is 151344004.

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

It is a cyclic number.

It is not a de Polignac number, because 400443151 - 2¹⁵ = 400410383 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 (400443751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27895 + ... + 39736.

It is an arithmetic number, because the mean of its divisors is an integer number (51941376).

Almost surely, 2^400443151 is an apocalyptic number.

400443151 is a deficient number, since it is larger than the sum of its proper divisors (15087857).

400443151 is a wasteful number, since it uses less digits than its factorization.

400443151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67853.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 400443151 is about 20011.0757082172. The cubic root of 400443151 is about 737.0782963469.

Adding to 400443151 its reverse (151344004), we get a palindrome (551787155).

The spelling of 400443151 in words is "four hundred million, four hundred forty-three thousand, one hundred fifty-one".