384750040 has 32 divisors (see below), whose sum is σ = 866250000. Its totient is φ = 153800064.

The previous prime is 384750007. The next prime is 384750043. The reversal of 384750040 is 40057483.

It is a junction number, because it is equal to n+sod(n) for n = 384749984 and 384750011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384750043) 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, 108211 + ... + 111709.

Almost surely, 2^384750040 is an apocalyptic number.

It is an amenable number.

384750040 is an abundant number, since it is smaller than the sum of its proper divisors (481499960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384750040 is a wasteful number, since it uses less digits than its factorization.

384750040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6259 (or 6255 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 384750040 is about 19615.0462655585. The cubic root of 384750040 is about 727.3211630810.

The spelling of 384750040 in words is "three hundred eighty-four million, seven hundred fifty thousand, forty".