40328943 has 8 divisors (see below), whose sum is σ = 53818800. Its totient is φ = 26862528.

The previous prime is 40328941. The next prime is 40328993. The reversal of 40328943 is 34982304.

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

It is not a de Polignac number, because 40328943 - 2¹ = 40328941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40328941) 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, 1348 + ... + 9081.

It is an arithmetic number, because the mean of its divisors is an integer number (6727350).

Almost surely, 2^40328943 is an apocalyptic number.

40328943 is a deficient number, since it is larger than the sum of its proper divisors (13489857).

40328943 is a wasteful number, since it uses less digits than its factorization.

40328943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 40328943 is about 6350.5073025704. The cubic root of 40328943 is about 342.9301055780.

The spelling of 40328943 in words is "forty million, three hundred twenty-eight thousand, nine hundred forty-three".