40464248 has 32 divisors (see below), whose sum is σ = 84015360. Its totient is φ = 18115680.

The previous prime is 40464241. The next prime is 40464287. The reversal of 40464248 is 84246404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40464241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465 + ... + 9327.

It is an arithmetic number, because the mean of its divisors is an integer number (2625480).

Almost surely, 2^40464248 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 40464248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42007680).

40464248 is an abundant number, since it is smaller than the sum of its proper divisors (43551112).

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

40464248 is a wasteful number, since it uses less digits than its factorization.

40464248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947 (or 6943 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 40464248 is about 6361.1514680913. The cubic root of 40464248 is about 343.3131916002.

The spelling of 40464248 in words is "forty million, four hundred sixty-four thousand, two hundred forty-eight".