400240153 has 8 divisors (see below), whose sum is σ = 408110400. Its totient is φ = 392381808.

The previous prime is 400240133. The next prime is 400240189. The reversal of 400240153 is 351042004.

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 400240153 - 2⁹ = 400239641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400240153.

It is not an unprimeable number, because it can be changed into a prime (400240103) 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, 97578 + ... + 101596.

It is an arithmetic number, because the mean of its divisors is an integer number (51013800).

Almost surely, 2^400240153 is an apocalyptic number.

It is an amenable number.

400240153 is a deficient number, since it is larger than the sum of its proper divisors (7870247).

400240153 is a wasteful number, since it uses less digits than its factorization.

400240153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 400240153 is about 20006.0029241225. The cubic root of 400240153 is about 736.9537254308.

Adding to 400240153 its reverse (351042004), we get a palindrome (751282157).

The spelling of 400240153 in words is "four hundred million, two hundred forty thousand, one hundred fifty-three".