40969888 has 12 divisors (see below), whose sum is σ = 80659530. Its totient is φ = 20484928.

The previous prime is 40969883. The next prime is 40969891. The reversal of 40969888 is 88896904.

It can be written as a sum of positive squares in only one way, i.e., 39087504 + 1882384 = 6252^2 + 1372^2 .

It is not an unprimeable number, because it can be changed into a prime (40969883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640123 + ... + 640186.

Almost surely, 2^40969888 is an apocalyptic number.

It is an amenable number.

40969888 is a deficient number, since it is larger than the sum of its proper divisors (39689642).

40969888 is a wasteful number, since it uses less digits than its factorization.

40969888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280319 (or 1280311 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 40969888 is about 6400.7724533840. The cubic root of 40969888 is about 344.7372865200.

The spelling of 40969888 in words is "forty million, nine hundred sixty-nine thousand, eight hundred eighty-eight".