40412555 has 8 divisors (see below), whose sum is σ = 48544800. Its totient is φ = 32296896.

The previous prime is 40412551. The next prime is 40412557. The reversal of 40412555 is 55521404.

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 40412555 - 2² = 40412551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40412551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066 + ... + 9224.

It is an arithmetic number, because the mean of its divisors is an integer number (6068100).

Almost surely, 2^40412555 is an apocalyptic number.

40412555 is a deficient number, since it is larger than the sum of its proper divisors (8132245).

40412555 is a wasteful number, since it uses less digits than its factorization.

40412555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 40412555 is about 6357.0869901237. The cubic root of 40412555 is about 343.1669353183.

Adding to 40412555 its reverse (55521404), we get a palindrome (95933959).

The spelling of 40412555 in words is "forty million, four hundred twelve thousand, five hundred fifty-five".