40383120 has 40 divisors (see below), whose sum is σ = 125188416. Its totient is φ = 10768768.

The previous prime is 40383067. The next prime is 40383131. The reversal of 40383120 is 2138304.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83892 + ... + 84371.

Almost surely, 2^40383120 is an apocalyptic number.

40383120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40383120 is an abundant number, since it is smaller than the sum of its proper divisors (84805296).

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

40383120 is a wasteful number, since it uses less digits than its factorization.

40383120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168279 (or 168273 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40383120 is about 6354.7714357009. The cubic root of 40383120 is about 343.0835984101.

The spelling of 40383120 in words is "forty million, three hundred eighty-three thousand, one hundred twenty".