40348545 has 8 divisors (see below), whose sum is σ = 64557696. Its totient is φ = 21519216.

The previous prime is 40348489. The next prime is 40348547. The reversal of 40348545 is 54584304.

40348545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40348545 - 2⁸ = 40348289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40348547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344937 + ... + 1344966.

It is an arithmetic number, because the mean of its divisors is an integer number (8069712).

Almost surely, 2^40348545 is an apocalyptic number.

It is an amenable number.

40348545 is a deficient number, since it is larger than the sum of its proper divisors (24209151).

40348545 is a wasteful number, since it uses less digits than its factorization.

40348545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689911.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 40348545 is about 6352.0504563487. The cubic root of 40348545 is about 342.9856573036.

The spelling of 40348545 in words is "forty million, three hundred forty-eight thousand, five hundred forty-five".