40321045 has 8 divisors (see below), whose sum is σ = 48615840. Its totient is φ = 32103120.

The previous prime is 40321037. The next prime is 40321063. The reversal of 40321045 is 54012304.

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

It is not a de Polignac number, because 40321045 - 2³ = 40321037 is a prime.

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, 18055 + ... + 20164.

It is an arithmetic number, because the mean of its divisors is an integer number (6076980).

Almost surely, 2^40321045 is an apocalyptic number.

It is an amenable number.

40321045 is a deficient number, since it is larger than the sum of its proper divisors (8294795).

40321045 is a wasteful number, since it uses less digits than its factorization.

40321045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38435.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40321045 is about 6349.8854320373. The cubic root of 40321045 is about 342.9077176964.

Adding to 40321045 its reverse (54012304), we get a palindrome (94333349).

The spelling of 40321045 in words is "forty million, three hundred twenty-one thousand, forty-five".