40148605 has 8 divisors (see below), whose sum is σ = 55060992. Its totient is φ = 27530448.

The previous prime is 40148599. The next prime is 40148617. The reversal of 40148605 is 50684104.

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 40148605 - 2⁵ = 40148573 is a prime.

It is a super-2 number, since 2×40148605² = 3223820966892050, which contains 22 as substring.

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, 573517 + ... + 573586.

It is an arithmetic number, because the mean of its divisors is an integer number (6882624).

Almost surely, 2^40148605 is an apocalyptic number.

It is an amenable number.

40148605 is a deficient number, since it is larger than the sum of its proper divisors (14912387).

40148605 is a wasteful number, since it uses less digits than its factorization.

40148605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147115.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40148605 is about 6336.2926857903. The cubic root of 40148605 is about 342.4181842333.

The spelling of 40148605 in words is "forty million, one hundred forty-eight thousand, six hundred five".