40040763 has 32 divisors (see below), whose sum is σ = 65733120. Its totient is φ = 21158400.

The previous prime is 40040761. The next prime is 40040773. The reversal of 40040763 is 36704004.

It is not a de Polignac number, because 40040763 - 2¹ = 40040761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40040761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20113 + ... + 22013.

It is an arithmetic number, because the mean of its divisors is an integer number (2054160).

Almost surely, 2^40040763 is an apocalyptic number.

40040763 is a deficient number, since it is larger than the sum of its proper divisors (25692357).

40040763 is a wasteful number, since it uses less digits than its factorization.

40040763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40040763 is about 6327.7770978441. Note that the first 3 decimals coincide. The cubic root of 40040763 is about 342.1113228106. Note that the first 3 decimals are identical.

Adding to 40040763 its reverse (36704004), we get a palindrome (76744767).

The spelling of 40040763 in words is "forty million, forty thousand, seven hundred sixty-three".