40352973 has 8 divisors (see below), whose sum is σ = 53865600. Its totient is φ = 26871168.

The previous prime is 40352969. The next prime is 40352987. The reversal of 40352973 is 37925304.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40352973 - 2² = 40352969 is a prime.

It is a super-4 number, since 4×40352973⁴ (a number of 32 digits) contains 4444 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40352933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4453 + ... + 10026.

It is an arithmetic number, because the mean of its divisors is an integer number (6733200).

Almost surely, 2^40352973 is an apocalyptic number.

It is an amenable number.

40352973 is a deficient number, since it is larger than the sum of its proper divisors (13512627).

40352973 is a wasteful number, since it uses less digits than its factorization.

40352973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15411.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 40352973 is about 6352.3989956551. The cubic root of 40352973 is about 342.9982036869.

The spelling of 40352973 in words is "forty million, three hundred fifty-two thousand, nine hundred seventy-three".