40268996 has 6 divisors (see below), whose sum is σ = 70470750. Its totient is φ = 20134496.

The previous prime is 40268993. The next prime is 40269001. The reversal of 40268996 is 69986204.

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 3496900 = 6064^2 + 1870^2 .

It is not an unprimeable number, because it can be changed into a prime (40268993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033621 + ... + 5033628.

It is an arithmetic number, because the mean of its divisors is an integer number (11745125).

Almost surely, 2^40268996 is an apocalyptic number.

It is an amenable number.

40268996 is a deficient number, since it is larger than the sum of its proper divisors (30201754).

40268996 is a wasteful number, since it uses less digits than its factorization.

40268996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067253 (or 10067251 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 40268996 is about 6345.7856881556. The cubic root of 40268996 is about 342.7601050449.

The spelling of 40268996 in words is "forty million, two hundred sixty-eight thousand, nine hundred ninety-six".