40083870 has 32 divisors (see below), whose sum is σ = 97161120. Its totient is φ = 10582400.

The previous prime is 40083821. The next prime is 40083877. The reversal of 40083870 is 7838004.

40083870 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 (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40083877) 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 15 ways as a sum of consecutive naturals, for example, 3585 + ... + 9644.

It is an arithmetic number, because the mean of its divisors is an integer number (3036285).

Almost surely, 2^40083870 is an apocalyptic number.

40083870 is an abundant number, since it is smaller than the sum of its proper divisors (57077250).

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

40083870 is a wasteful number, since it uses less digits than its factorization.

40083870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13340.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 40083870 is about 6331.1823540315. The cubic root of 40083870 is about 342.2340486081.

The spelling of 40083870 in words is "forty million, eighty-three thousand, eight hundred seventy".