40365634 has 8 divisors (see below), whose sum is σ = 61084620. Its totient is φ = 20004096.

The previous prime is 40365629. The next prime is 40365641. The reversal of 40365634 is 43656304.

It can be written as a sum of positive squares in 2 ways, for example, as 40284409 + 81225 = 6347^2 + 285^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40365596 and 40365605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89079 + ... + 89530.

Almost surely, 2^40365634 is an apocalyptic number.

40365634 is a deficient number, since it is larger than the sum of its proper divisors (20718986).

40365634 is a wasteful number, since it uses less digits than its factorization.

40365634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178724.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 40365634 is about 6353.3954701404. The cubic root of 40365634 is about 343.0340725530.

The spelling of 40365634 in words is "forty million, three hundred sixty-five thousand, six hundred thirty-four".