40661336 has 32 divisors (see below), whose sum is σ = 79380480. Its totient is φ = 19504800.

The previous prime is 40661329. The next prime is 40661351. The reversal of 40661336 is 63316604.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40661299 and 40661308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30851 + ... + 32141.

It is an arithmetic number, because the mean of its divisors is an integer number (2480640).

Almost surely, 2^40661336 is an apocalyptic number.

It is an amenable number.

40661336 is a deficient number, since it is larger than the sum of its proper divisors (38719144).

40661336 is a wasteful number, since it uses less digits than its factorization.

40661336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 40661336 is about 6376.6241852566. The cubic root of 40661336 is about 343.8696775137.

The spelling of 40661336 in words is "forty million, six hundred sixty-one thousand, three hundred thirty-six".