40887648 has 36 divisors (see below), whose sum is σ = 116275068. Its totient is φ = 13629120.

The previous prime is 40887631. The next prime is 40887653. The reversal of 40887648 is 84678804.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70698 + ... + 71273.

It is an arithmetic number, because the mean of its divisors is an integer number (3229863).

Almost surely, 2^40887648 is an apocalyptic number.

40887648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40887648 is an abundant number, since it is smaller than the sum of its proper divisors (75387420).

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

40887648 is a wasteful number, since it uses less digits than its factorization.

40887648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141987 (or 141976 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 40887648 is about 6394.3450016401. The cubic root of 40887648 is about 344.5064650796.

The spelling of 40887648 in words is "forty million, eight hundred eighty-seven thousand, six hundred forty-eight".