40074648 has 64 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 12101760.

The previous prime is 40074571. The next prime is 40074649. The reversal of 40074648 is 84647004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40074649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8578 + ... + 12398.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^40074648 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 40074648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55036800).

40074648 is an abundant number, since it is smaller than the sum of its proper divisors (69998952).

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

40074648 is a wasteful number, since it uses less digits than its factorization.

40074648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872 (or 3868 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 40074648 is about 6330.4540121543. The cubic root of 40074648 is about 342.2078009390.

The spelling of 40074648 in words is "forty million, seventy-four thousand, six hundred forty-eight".