40493310 has 64 divisors (see below), whose sum is σ = 114186240. Its totient is φ = 9060480.

The previous prime is 40493287. The next prime is 40493311. The reversal of 40493310 is 1339404.

It is a super-2 number, since 2×40493310² = 3279416309512200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40493311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430 + ... + 9009.

It is an arithmetic number, because the mean of its divisors is an integer number (1784160).

Almost surely, 2^40493310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40493310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57093120).

40493310 is an abundant number, since it is smaller than the sum of its proper divisors (73692930).

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

40493310 is a wasteful number, since it uses less digits than its factorization.

40493310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9473.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 40493310 is about 6363.4353929305. The cubic root of 40493310 is about 343.3953627413.

The spelling of 40493310 in words is "forty million, four hundred ninety-three thousand, three hundred ten".