40012030 has 32 divisors (see below), whose sum is σ = 74325600. Its totient is φ = 15501312.

The previous prime is 40012003. The next prime is 40012051. The reversal of 40012030 is 3021004.

40012030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 40011998 and 40012016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42606 + ... + 43534.

It is an arithmetic number, because the mean of its divisors is an integer number (2322675).

Almost surely, 2^40012030 is an apocalyptic number.

40012030 is a deficient number, since it is larger than the sum of its proper divisors (34313570).

40012030 is a wasteful number, since it uses less digits than its factorization.

40012030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40012030 is about 6325.5063038464. The cubic root of 40012030 is about 342.0294709166.

Adding to 40012030 its reverse (3021004), we get a palindrome (43033034).

The spelling of 40012030 in words is "forty million, twelve thousand, thirty".