40088545 has 8 divisors (see below), whose sum is σ = 54978624. Its totient is φ = 27489264.

The previous prime is 40088539. The next prime is 40088557. The reversal of 40088545 is 54588004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40088545 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40088545.

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, 572659 + ... + 572728.

It is an arithmetic number, because the mean of its divisors is an integer number (6872328).

Almost surely, 2^40088545 is an apocalyptic number.

It is an amenable number.

40088545 is a deficient number, since it is larger than the sum of its proper divisors (14890079).

40088545 is a wasteful number, since it uses less digits than its factorization.

40088545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145399.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 40088545 is about 6331.5515476066. The cubic root of 40088545 is about 342.2473530618.

The spelling of 40088545 in words is "forty million, eighty-eight thousand, five hundred forty-five".