40763990 has 16 divisors (see below), whose sum is σ = 73802448. Its totient is φ = 16210656.

The previous prime is 40763971. The next prime is 40763999. The reversal of 40763990 is 9936704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40763999) 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 7 ways as a sum of consecutive naturals, for example, 10052 + ... + 13511.

It is an arithmetic number, because the mean of its divisors is an integer number (4612653).

Almost surely, 2^40763990 is an apocalyptic number.

40763990 is a deficient number, since it is larger than the sum of its proper divisors (33038458).

40763990 is a wasteful number, since it uses less digits than its factorization.

40763990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23743.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 40763990 is about 6384.6683547386. The cubic root of 40763990 is about 344.1588132303.

The spelling of 40763990 in words is "forty million, seven hundred sixty-three thousand, nine hundred ninety".