40731334 has 16 divisors (see below), whose sum is σ = 72078336. Its totient is φ = 16893000.

The previous prime is 40731331. The next prime is 40731389. The reversal of 40731334 is 43313704.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40731299 and 40731308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40731331) 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, 46492 + ... + 47359.

It is an arithmetic number, because the mean of its divisors is an integer number (4504896).

Almost surely, 2^40731334 is an apocalyptic number.

40731334 is a deficient number, since it is larger than the sum of its proper divisors (31347002).

40731334 is a wasteful number, since it uses less digits than its factorization.

40731334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93891.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 40731334 is about 6382.1104659822. The cubic root of 40731334 is about 344.0668868946.

The spelling of 40731334 in words is "forty million, seven hundred thirty-one thousand, three hundred thirty-four".