40842648 has 192 divisors, whose sum is σ = 141523200. Its totient is φ = 10333440.

The previous prime is 40842629. The next prime is 40842661. The reversal of 40842648 is 84624804.

40842648 is a `hidden beast` number, since 4 + 0 + 8 + 4 + 2 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 293763 + ... + 293901.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 2^40842648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40842648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70761600).

40842648 is an abundant number, since it is smaller than the sum of its proper divisors (100680552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40842648 is a wasteful number, since it uses less digits than its factorization.

40842648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 40842648 is about 6390.8252988170. The cubic root of 40842648 is about 344.3800334024.

The spelling of 40842648 in words is "forty million, eight hundred forty-two thousand, six hundred forty-eight".