40329790 has 8 divisors (see below), whose sum is σ = 72593640. Its totient is φ = 16131912.

The previous prime is 40329781. The next prime is 40329803. The reversal of 40329790 is 9792304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40329790² = 3252983922888200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016480 + ... + 2016499.

It is an arithmetic number, because the mean of its divisors is an integer number (9074205).

Almost surely, 2^40329790 is an apocalyptic number.

40329790 is a deficient number, since it is larger than the sum of its proper divisors (32263850).

40329790 is a wasteful number, since it uses less digits than its factorization.

40329790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032986.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 40329790 is about 6350.5739898060. The cubic root of 40329790 is about 342.9325063333.

The spelling of 40329790 in words is "forty million, three hundred twenty-nine thousand, seven hundred ninety".