40456648 has 16 divisors (see below), whose sum is σ = 76411980. Its totient is φ = 20080128.

The previous prime is 40456639. The next prime is 40456657. The reversal of 40456648 is 84665404.

It is an interprime number because it is at equal distance from previous prime (40456639) and next prime (40456657).

It can be written as a sum of positive squares in 2 ways, for example, as 34316164 + 6140484 = 5858^2 + 2478^2 .

It is a super-3 number, since 3×40456648³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17361 + ... + 19552.

Almost surely, 2^40456648 is an apocalyptic number.

It is an amenable number.

40456648 is a deficient number, since it is larger than the sum of its proper divisors (35955332).

40456648 is a wasteful number, since it uses less digits than its factorization.

40456648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37056 (or 37052 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 40456648 is about 6360.5540639161. The cubic root of 40456648 is about 343.2916965459.

The spelling of 40456648 in words is "forty million, four hundred fifty-six thousand, six hundred forty-eight".