40169796 has 24 divisors (see below), whose sum is σ = 95319840. Its totient is φ = 13162752.

The previous prime is 40169747. The next prime is 40169797. The reversal of 40169796 is 69796104.

It is a super-2 number, since 2×40169796² = 3227225021363232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40169797) 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, 27661 + ... + 29076.

It is an arithmetic number, because the mean of its divisors is an integer number (3971660).

Almost surely, 2^40169796 is an apocalyptic number.

It is an amenable number.

40169796 is an abundant number, since it is smaller than the sum of its proper divisors (55150044).

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

40169796 is a wasteful number, since it uses less digits than its factorization.

40169796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56803 (or 56801 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 40169796 is about 6337.9646575222. The cubic root of 40169796 is about 342.4784180196.

The spelling of 40169796 in words is "forty million, one hundred sixty-nine thousand, seven hundred ninety-six".