40345016 has 16 divisors (see below), whose sum is σ = 76428240. Its totient is φ = 19964160.

The previous prime is 40345001. The next prime is 40345021. The reversal of 40345016 is 61054304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40344982 and 40345000.

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, 25220 + ... + 26771.

It is an arithmetic number, because the mean of its divisors is an integer number (4776765).

Almost surely, 2^40345016 is an apocalyptic number.

It is an amenable number.

40345016 is a deficient number, since it is larger than the sum of its proper divisors (36083224).

40345016 is a wasteful number, since it uses less digits than its factorization.

40345016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52094 (or 52090 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40345016 is about 6351.7726659571. The cubic root of 40345016 is about 342.9756575074.

The spelling of 40345016 in words is "forty million, three hundred forty-five thousand, sixteen".