40427310 has 192 divisors, whose sum is σ = 128088576. Its totient is φ = 7983360.

The previous prime is 40427297. The next prime is 40427311. The reversal of 40427310 is 1372404.

It is a super-2 number, since 2×40427310² = 3268734787672200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40427311) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 940149 + ... + 940191.

It is an arithmetic number, because the mean of its divisors is an integer number (667128).

Almost surely, 2^40427310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40427310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64044288).

40427310 is an abundant number, since it is smaller than the sum of its proper divisors (87661266).

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

40427310 is a wasteful number, since it uses less digits than its factorization.

40427310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40427310 is about 6358.2474000309. The cubic root of 40427310 is about 343.2086947173.

Adding to 40427310 its reverse (1372404), we get a palindrome (41799714).

It can be divided in two parts, 40 and 427310, that added together give a triangular number (427350 = T₉₂₄).

The spelling of 40427310 in words is "forty million, four hundred twenty-seven thousand, three hundred ten".