40973340 has 48 divisors (see below), whose sum is σ = 115089408. Its totient is φ = 10891584.

The previous prime is 40973333. The next prime is 40973341. The reversal of 40973340 is 4337904.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40973298 and 40973307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40973341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22089 + ... + 23871.

It is an arithmetic number, because the mean of its divisors is an integer number (2397696).

Almost surely, 2^40973340 is an apocalyptic number.

It is an amenable number.

40973340 is an abundant number, since it is smaller than the sum of its proper divisors (74116068).

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

40973340 is a wasteful number, since it uses less digits than its factorization.

40973340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 2176 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 40973340 is about 6401.0421026580. The cubic root of 40973340 is about 344.7469684250.

The spelling of 40973340 in words is "forty million, nine hundred seventy-three thousand, three hundred forty".