40363645 has 8 divisors (see below), whose sum is σ = 55355904. Its totient is φ = 27677904.

The previous prime is 40363613. The next prime is 40363663. The reversal of 40363645 is 54636304.

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 40363645 - 2⁵ = 40363613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576589 + ... + 576658.

It is an arithmetic number, because the mean of its divisors is an integer number (6919488).

Almost surely, 2^40363645 is an apocalyptic number.

It is an amenable number.

40363645 is a deficient number, since it is larger than the sum of its proper divisors (14992259).

40363645 is a wasteful number, since it uses less digits than its factorization.

40363645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153259.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 40363645 is about 6353.2389377388. The cubic root of 40363645 is about 343.0284381729.

Adding to 40363645 its reverse (54636304), we get a palindrome (94999949).

The spelling of 40363645 in words is "forty million, three hundred sixty-three thousand, six hundred forty-five".