40012430 has 8 divisors (see below), whose sum is σ = 72022392. Its totient is φ = 16004968.

The previous prime is 40012417. The next prime is 40012447. The reversal of 40012430 is 3421004.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000612 + ... + 2000631.

It is an arithmetic number, because the mean of its divisors is an integer number (9002799).

Almost surely, 2^40012430 is an apocalyptic number.

40012430 is a deficient number, since it is larger than the sum of its proper divisors (32009962).

40012430 is a wasteful number, since it uses less digits than its factorization.

40012430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001250.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40012430 is about 6325.5379217897. The cubic root of 40012430 is about 342.0306106682.

Adding to 40012430 its reverse (3421004), we get a palindrome (43433434).

The spelling of 40012430 in words is "forty million, twelve thousand, four hundred thirty".