40763888 has 20 divisors (see below), whose sum is σ = 86160408. Its totient is φ = 18528960.

The previous prime is 40763861. The next prime is 40763923. The reversal of 40763888 is 88836704.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 115631 + ... + 115982.

Almost surely, 2^40763888 is an apocalyptic number.

It is an amenable number.

40763888 is an abundant number, since it is smaller than the sum of its proper divisors (45396520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40763888 is a wasteful number, since it uses less digits than its factorization.

40763888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231632 (or 231626 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 40763888 is about 6384.6603668480. The cubic root of 40763888 is about 344.1585261777.

The spelling of 40763888 in words is "forty million, seven hundred sixty-three thousand, eight hundred eighty-eight".