40299120 has 140 divisors (see below), whose sum is σ = 140682216. Its totient is φ = 10730880.

The previous prime is 40299079. The next prime is 40299121. The reversal of 40299120 is 2199204.

40299120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40299121) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 57975 + ... + 58665.

Almost surely, 2^40299120 is an apocalyptic number.

40299120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40299120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70341108).

40299120 is an abundant number, since it is smaller than the sum of its proper divisors (100383096).

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

40299120 is an equidigital number, since it uses as much as digits as its factorization.

40299120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 40299120 is about 6348.1587881842. The cubic root of 40299120 is about 342.8455531797.

The spelling of 40299120 in words is "forty million, two hundred ninety-nine thousand, one hundred twenty".