40412045 has 8 divisors (see below), whose sum is σ = 49622496. Its totient is φ = 31577616.

The previous prime is 40412039. The next prime is 40412089. The reversal of 40412045 is 54021404.

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 40412045 - 2⁶ = 40411981 is a prime.

It is a Duffinian number.

It is a Curzon 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, 93767 + ... + 94196.

It is an arithmetic number, because the mean of its divisors is an integer number (6202812).

Almost surely, 2^40412045 is an apocalyptic number.

It is an amenable number.

40412045 is a deficient number, since it is larger than the sum of its proper divisors (9210451).

40412045 is a wasteful number, since it uses less digits than its factorization.

40412045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188011.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40412045 is about 6357.0468772851. The cubic root of 40412045 is about 343.1654917416.

Adding to 40412045 its reverse (54021404), we get a palindrome (94433449).

The spelling of 40412045 in words is "forty million, four hundred twelve thousand, forty-five".