40329804 has 24 divisors (see below), whose sum is σ = 95699520. Its totient is φ = 13215184.

The previous prime is 40329803. The next prime is 40329811. The reversal of 40329804 is 40892304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40329803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27774 + ... + 29189.

It is an arithmetic number, because the mean of its divisors is an integer number (3987480).

Almost surely, 2^40329804 is an apocalyptic number.

It is an amenable number.

40329804 is an abundant number, since it is smaller than the sum of its proper divisors (55369716).

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

40329804 is a wasteful number, since it uses less digits than its factorization.

40329804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57029 (or 57027 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 40329804 is about 6350.5750920684. The cubic root of 40329804 is about 342.9325460149.

Subtracting 40329804 from its reverse (40892304), we obtain a square (562500 = 750²).

The spelling of 40329804 in words is "forty million, three hundred twenty-nine thousand, eight hundred four".