40746536 has 16 divisors (see below), whose sum is σ = 77653140. Its totient is φ = 20039040.

The previous prime is 40746533. The next prime is 40746571. The reversal of 40746536 is 63564704.

It can be written as a sum of positive squares in 2 ways, for example, as 35880100 + 4866436 = 5990^2 + 2206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40746496 and 40746505.

It is not an unprimeable number, because it can be changed into a prime (40746533) 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, 41261 + ... + 42236.

Almost surely, 2^40746536 is an apocalyptic number.

It is an amenable number.

40746536 is a deficient number, since it is larger than the sum of its proper divisors (36906604).

40746536 is a wasteful number, since it uses less digits than its factorization.

40746536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83564 (or 83560 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 40746536 is about 6383.3013402157. The cubic root of 40746536 is about 344.1096864931.

The spelling of 40746536 in words is "forty million, seven hundred forty-six thousand, five hundred thirty-six".