40160208 has 80 divisors (see below), whose sum is σ = 118135296. Its totient is φ = 11637120.

The previous prime is 40160201. The next prime is 40160249. The reversal of 40160208 is 80206104.

It is a super-2 number, since 2×40160208² = 3225684613206528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40160201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10491 + ... + 13797.

Almost surely, 2^40160208 is an apocalyptic number.

40160208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40160208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59067648).

40160208 is an abundant number, since it is smaller than the sum of its proper divisors (77975088).

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

40160208 is a wasteful number, since it uses less digits than its factorization.

40160208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3346 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 40160208 is about 6337.2082181352. The cubic root of 40160208 is about 342.4511674923.

The spelling of 40160208 in words is "forty million, one hundred sixty thousand, two hundred eight".