40430542 has 8 divisors (see below), whose sum is σ = 60681816. Its totient is φ = 20203272.

The previous prime is 40430531. The next prime is 40430543. The reversal of 40430542 is 24503404.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40430543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933 + ... + 9040.

It is an arithmetic number, because the mean of its divisors is an integer number (7585227).

Almost surely, 2^40430542 is an apocalyptic number.

40430542 is a deficient number, since it is larger than the sum of its proper divisors (20251274).

40430542 is a wasteful number, since it uses less digits than its factorization.

40430542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12002.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40430542 is about 6358.5015530390. The cubic root of 40430542 is about 343.2178405228.

Adding to 40430542 its reverse (24503404), we get a palindrome (64933946).

The spelling of 40430542 in words is "forty million, four hundred thirty thousand, five hundred forty-two".