40395736 has 16 divisors (see below), whose sum is σ = 76141440. Its totient is φ = 20091360.

The previous prime is 40395731. The next prime is 40395743. The reversal of 40395736 is 63759304.

It is a junction number, because it is equal to n+sod(n) for n = 40395695 and 40395704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40395731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11691 + ... + 14746.

It is an arithmetic number, because the mean of its divisors is an integer number (4758840).

Almost surely, 2^40395736 is an apocalyptic number.

It is an amenable number.

40395736 is a deficient number, since it is larger than the sum of its proper divisors (35745704).

40395736 is a wasteful number, since it uses less digits than its factorization.

40395736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26634 (or 26630 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 40395736 is about 6355.7639981359. The cubic root of 40395736 is about 343.1193220162.

The spelling of 40395736 in words is "forty million, three hundred ninety-five thousand, seven hundred thirty-six".