401505152 has 16 divisors (see below), whose sum is σ = 799873800. Its totient is φ = 200752512.

The previous prime is 401505151. The next prime is 401505173. The reversal of 401505152 is 251505104.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×401505152² = 322412774165086208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401505151) 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 as a sum of consecutive naturals, namely, 1568252 + ... + 1568507.

Almost surely, 2^401505152 is an apocalyptic number.

It is an amenable number.

401505152 is a deficient number, since it is larger than the sum of its proper divisors (398368648).

401505152 is an equidigital number, since it uses as much as digits as its factorization.

401505152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136773 (or 3136761 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 401505152 is about 20037.5934682786. The cubic root of 401505152 is about 737.7293141932.

The spelling of 401505152 in words is "four hundred one million, five hundred five thousand, one hundred fifty-two".