400151441 has 8 divisors (see below), whose sum is σ = 414296064. Its totient is φ = 386084160.

The previous prime is 400151429. The next prime is 400151459. The reversal of 400151441 is 144151004.

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 400151441 - 2⁶ = 400151377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400151641) 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 7 ways as a sum of consecutive naturals, for example, 8705 + ... + 29598.

It is an arithmetic number, because the mean of its divisors is an integer number (51787008).

Almost surely, 2^400151441 is an apocalyptic number.

It is an amenable number.

400151441 is a deficient number, since it is larger than the sum of its proper divisors (14144623).

400151441 is a wasteful number, since it uses less digits than its factorization.

400151441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38671.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 400151441 is about 20003.7856667182. The cubic root of 400151441 is about 736.8992735647.

The spelling of 400151441 in words is "four hundred million, one hundred fifty-one thousand, four hundred forty-one".