40240554 has 16 divisors (see below), whose sum is σ = 82194048. Its totient is φ = 13128032.

The previous prime is 40240553. The next prime is 40240559. The reversal of 40240554 is 45504204.

It is not an unprimeable number, because it can be changed into a prime (40240553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71067 + ... + 71630.

It is an arithmetic number, because the mean of its divisors is an integer number (5137128).

Almost surely, 2^40240554 is an apocalyptic number.

40240554 is an abundant number, since it is smaller than the sum of its proper divisors (41953494).

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

40240554 is a wasteful number, since it uses less digits than its factorization.

40240554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142749.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40240554 is about 6343.5442774525. The cubic root of 40240554 is about 342.6793888615.

Adding to 40240554 its reverse (45504204), we get a palindrome (85744758).

The spelling of 40240554 in words is "forty million, two hundred forty thousand, five hundred fifty-four".