400119388 has 6 divisors (see below), whose sum is σ = 700208936. Its totient is φ = 200059692.

The previous prime is 400119373. The next prime is 400119389. The reversal of 400119388 is 883911004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400119389) 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, 50014920 + ... + 50014927.

Almost surely, 2^400119388 is an apocalyptic number.

It is an amenable number.

400119388 is a deficient number, since it is larger than the sum of its proper divisors (300089548).

400119388 is a wasteful number, since it uses less digits than its factorization.

400119388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100029851 (or 100029849 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 400119388 is about 20002.9844773224. The cubic root of 400119388 is about 736.8795972949.

The spelling of 400119388 in words is "four hundred million, one hundred nineteen thousand, three hundred eighty-eight".