40609488 has 40 divisors (see below), whose sum is σ = 105850368. Its totient is φ = 13414912.

The previous prime is 40609453. The next prime is 40609489. The reversal of 40609488 is 88490604.

40609488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40609489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681 + ... + 9167.

Almost surely, 2^40609488 is an apocalyptic number.

40609488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40609488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52925184).

40609488 is an abundant number, since it is smaller than the sum of its proper divisors (65240880).

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

40609488 is a wasteful number, since it uses less digits than its factorization.

40609488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611 (or 7605 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 40609488 is about 6372.5574144138. The cubic root of 40609488 is about 343.7234572122.

The spelling of 40609488 in words is "forty million, six hundred nine thousand, four hundred eighty-eight".