40310403030 has 128 divisors (see below), whose sum is σ = 109955750400. Its totient is φ = 10505446272.

The previous prime is 40310402989. The next prime is 40310403031. The reversal of 40310403030 is 3030401304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40310402994 and 40310403012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310403031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2748577 + ... + 2763203.

It is an arithmetic number, because the mean of its divisors is an integer number (859029300).

Almost surely, 2^40310403030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40310403030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54977875200).

40310403030 is an abundant number, since it is smaller than the sum of its proper divisors (69645347370).

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

40310403030 is a wasteful number, since it uses less digits than its factorization.

40310403030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14875 (or 14869 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 40310403030 its reverse (3030401304), we get a palindrome (43340804334).

The spelling of 40310403030 in words is "forty billion, three hundred ten million, four hundred three thousand, thirty".