40816351 has 8 divisors (see below), whose sum is σ = 43879680. Its totient is φ = 37844568.

The previous prime is 40816309. The next prime is 40816387. The reversal of 40816351 is 15361804.

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

It is a cyclic number.

It is not a de Polignac number, because 40816351 - 2²³ = 32427743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40819351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21961 + ... + 23746.

It is an arithmetic number, because the mean of its divisors is an integer number (5484960).

Almost surely, 2^40816351 is an apocalyptic number.

40816351 is a deficient number, since it is larger than the sum of its proper divisors (3063329).

40816351 is a wasteful number, since it uses less digits than its factorization.

40816351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45773.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 40816351 is about 6388.7675650316. The cubic root of 40816351 is about 344.3061065431.

The spelling of 40816351 in words is "forty million, eight hundred sixteen thousand, three hundred fifty-one".