40331043 has 24 divisors (see below), whose sum is σ = 59754240. Its totient is φ = 26204400.

The previous prime is 40331041. The next prime is 40331047. The reversal of 40331043 is 34013304.

It is not a de Polignac number, because 40331043 - 2¹ = 40331041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40331041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79930 + ... + 80432.

It is an arithmetic number, because the mean of its divisors is an integer number (2489760).

Almost surely, 2^40331043 is an apocalyptic number.

40331043 is a deficient number, since it is larger than the sum of its proper divisors (19423197).

40331043 is a wasteful number, since it uses less digits than its factorization.

40331043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40331043 is about 6350.6726415396. The cubic root of 40331043 is about 342.9360578021.

Adding to 40331043 its reverse (34013304), we get a palindrome (74344347).

The spelling of 40331043 in words is "forty million, three hundred thirty-one thousand, forty-three".