40963988 has 12 divisors (see below), whose sum is σ = 77201460. Its totient is φ = 18906432.

The previous prime is 40963957. The next prime is 40963991. The reversal of 40963988 is 88936904.

It can be written as a sum of positive squares in 2 ways, for example, as 5299204 + 35664784 = 2302^2 + 5972^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393833 + ... + 393936.

It is an arithmetic number, because the mean of its divisors is an integer number (6433455).

Almost surely, 2^40963988 is an apocalyptic number.

It is an amenable number.

40963988 is a deficient number, since it is larger than the sum of its proper divisors (36237472).

40963988 is a wasteful number, since it uses less digits than its factorization.

40963988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787786 (or 787784 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 40963988 is about 6400.3115549167. The cubic root of 40963988 is about 344.7207373930.

The spelling of 40963988 in words is "forty million, nine hundred sixty-three thousand, nine hundred eighty-eight".