40553648 has 10 divisors (see below), whose sum is σ = 78572724. Its totient is φ = 20276816.

The previous prime is 40553647. The next prime is 40553659. The reversal of 40553648 is 84635504.

It is a super-2 number, since 2×40553648² = 3289196732215808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40553647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267286 + ... + 1267317.

Almost surely, 2^40553648 is an apocalyptic number.

It is an amenable number.

40553648 is a deficient number, since it is larger than the sum of its proper divisors (38019076).

40553648 is a wasteful number, since it uses less digits than its factorization.

40553648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534611 (or 2534605 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 40553648 is about 6368.1746207214. The cubic root of 40553648 is about 343.5658395153.

The spelling of 40553648 in words is "forty million, five hundred fifty-three thousand, six hundred forty-eight".