40329080 has 64 divisors (see below), whose sum is σ = 99809280. Its totient is φ = 14544000.

The previous prime is 40329071. The next prime is 40329089. The reversal of 40329080 is 8092304.

It is an interprime number because it is at equal distance from previous prime (40329071) and next prime (40329089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40329089) 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, 66137 + ... + 66743.

It is an arithmetic number, because the mean of its divisors is an integer number (1559520).

Almost surely, 2^40329080 is an apocalyptic number.

40329080 is a gapful number since it is divisible by the number (40) 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 40329080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49904640).

40329080 is an abundant number, since it is smaller than the sum of its proper divisors (59480200).

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

40329080 is a wasteful number, since it uses less digits than its factorization.

40329080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40329080 is about 6350.5180891011. The cubic root of 40329080 is about 342.9304938961.

The spelling of 40329080 in words is "forty million, three hundred twenty-nine thousand, eighty".