40816142 has 8 divisors (see below), whose sum is σ = 64446600. Its totient is φ = 19333944.

The previous prime is 40816121. The next prime is 40816187. The reversal of 40816142 is 24161804.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537017 + ... + 537092.

It is an arithmetic number, because the mean of its divisors is an integer number (8055825).

Almost surely, 2^40816142 is an apocalyptic number.

40816142 is a deficient number, since it is larger than the sum of its proper divisors (23630458).

40816142 is a wasteful number, since it uses less digits than its factorization.

40816142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074130.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40816142 is about 6388.7512081783. The cubic root of 40816142 is about 344.3055188693.

Adding to 40816142 its reverse (24161804), we get a palindrome (64977946).

The spelling of 40816142 in words is "forty million, eight hundred sixteen thousand, one hundred forty-two".