40381068 has 48 divisors (see below), whose sum is σ = 115969280. Its totient is φ = 10649664.

The previous prime is 40381067. The next prime is 40381091. The reversal of 40381068 is 86018304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40381067) 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, 17398 + ... + 19581.

Almost surely, 2^40381068 is an apocalyptic number.

It is an amenable number.

40381068 is an abundant number, since it is smaller than the sum of its proper divisors (75588212).

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

40381068 is a wasteful number, since it uses less digits than its factorization.

40381068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37006 (or 37004 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40381068 is about 6354.6099801640. The cubic root of 40381068 is about 343.0777872406.

The spelling of 40381068 in words is "forty million, three hundred eighty-one thousand, sixty-eight".