40634756 has 12 divisors (see below), whose sum is σ = 72011520. Its totient is φ = 20060040.

The previous prime is 40634753. The next prime is 40634761. The reversal of 40634756 is 65743604.

It is not an unprimeable number, because it can be changed into a prime (40634753) 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, 63980 + ... + 64611.

It is an arithmetic number, because the mean of its divisors is an integer number (6000960).

Almost surely, 2^40634756 is an apocalyptic number.

It is an amenable number.

40634756 is a deficient number, since it is larger than the sum of its proper divisors (31376764).

40634756 is a wasteful number, since it uses less digits than its factorization.

40634756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128674 (or 128672 counting only the distinct ones).

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

The square root of 40634756 is about 6374.5396696546. The cubic root of 40634756 is about 343.7947328673.

The spelling of 40634756 in words is "forty million, six hundred thirty-four thousand, seven hundred fifty-six".