40202973 has 10 divisors (see below), whose sum is σ = 60056414. Its totient is φ = 26801928.

The previous prime is 40202947. The next prime is 40203029. The reversal of 40202973 is 37920204.

It can be written as a sum of positive squares in only one way, i.e., 27436644 + 12766329 = 5238^2 + 3573^2 .

It is not a de Polignac number, because 40202973 - 2⁵ = 40202941 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40202273) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 248086 + ... + 248247.

Almost surely, 2^40202973 is an apocalyptic number.

It is an amenable number.

40202973 is a deficient number, since it is larger than the sum of its proper divisors (19853441).

40202973 is an equidigital number, since it uses as much as digits as its factorization.

40202973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496345 (or 496336 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 40202973 is about 6340.5814402151. The cubic root of 40202973 is about 342.5726785577.

The spelling of 40202973 in words is "forty million, two hundred two thousand, nine hundred seventy-three".