40941648 has 60 divisors (see below), whose sum is σ = 125000928. Its totient is φ = 12406080.

The previous prime is 40941643. The next prime is 40941683. The reversal of 40941648 is 84614904.

It is a happy number.

40941648 is a `hidden beast` number, since 4 + 0 + 9 + 4 + 1 + 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 not an unprimeable number, because it can be changed into a prime (40941643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11340 + ... + 14507.

Almost surely, 2^40941648 is an apocalyptic number.

40941648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40941648 is an abundant number, since it is smaller than the sum of its proper divisors (84059280).

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

40941648 is a wasteful number, since it uses less digits than its factorization.

40941648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25872 (or 25863 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40941648 is about 6398.5660893672. The cubic root of 40941648 is about 344.6580607021.

The spelling of 40941648 in words is "forty million, nine hundred forty-one thousand, six hundred forty-eight".