40636701 has 32 divisors (see below), whose sum is σ = 69196800. Its totient is φ = 23088240.

The previous prime is 40636657. The next prime is 40636709. The reversal of 40636701 is 10763604.

It is not a de Polignac number, because 40636701 - 2¹³ = 40628509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40636709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39370 + ... + 40388.

It is an arithmetic number, because the mean of its divisors is an integer number (2162400).

Almost surely, 2^40636701 is an apocalyptic number.

It is an amenable number.

40636701 is a deficient number, since it is larger than the sum of its proper divisors (28560099).

40636701 is a wasteful number, since it uses less digits than its factorization.

40636701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 40636701 is about 6374.6922278648. The cubic root of 40636701 is about 343.8002180738.

The spelling of 40636701 in words is "forty million, six hundred thirty-six thousand, seven hundred one".