40624445 has 8 divisors (see below), whose sum is σ = 49477344. Its totient is φ = 32014224.

The previous prime is 40624439. The next prime is 40624459. The reversal of 40624445 is 54442604.

It is a happy number.

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 40624445 - 2⁸ = 40624189 is a prime.

It is a super-3 number, since 3×40624445³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60299 + ... + 60968.

It is an arithmetic number, because the mean of its divisors is an integer number (6184668).

Almost surely, 2^40624445 is an apocalyptic number.

It is an amenable number.

40624445 is a deficient number, since it is larger than the sum of its proper divisors (8852899).

40624445 is a wasteful number, since it uses less digits than its factorization.

40624445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121339.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 40624445 is about 6373.7308540603. The cubic root of 40624445 is about 343.7656512984.

The spelling of 40624445 in words is "forty million, six hundred twenty-four thousand, four hundred forty-five".