438158152 has 16 divisors (see below), whose sum is σ = 829226160. Its totient is φ = 217031184.

The previous prime is 438158143. The next prime is 438158173. The reversal of 438158152 is 251851834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255078 + ... + 256789.

It is an arithmetic number, because the mean of its divisors is an integer number (51826635).

Almost surely, 2^438158152 is an apocalyptic number.

It is an amenable number.

438158152 is a deficient number, since it is larger than the sum of its proper divisors (391068008).

438158152 is a wasteful number, since it uses less digits than its factorization.

438158152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511980 (or 511976 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 438158152 is about 20932.2275928770. The cubic root of 438158152 is about 759.5277259741.

The spelling of 438158152 in words is "four hundred thirty-eight million, one hundred fifty-eight thousand, one hundred fifty-two".