40005024 has 24 divisors (see below), whose sum is σ = 105013440. Its totient is φ = 13334976.

The previous prime is 40005023. The next prime is 40005041. The reversal of 40005024 is 42050004.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 40004994 and 40005012.

It is not an unprimeable number, because it can be changed into a prime (40005023) 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 3 ways as a sum of consecutive naturals, for example, 208264 + ... + 208455.

It is an arithmetic number, because the mean of its divisors is an integer number (4375560).

Almost surely, 2^40005024 is an apocalyptic number.

It is an amenable number.

40005024 is an abundant number, since it is smaller than the sum of its proper divisors (65008416).

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

40005024 is a wasteful number, since it uses less digits than its factorization.

40005024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416732 (or 416724 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 40005024 is about 6324.9524899401. The cubic root of 40005024 is about 342.0095069345.

Adding to 40005024 its reverse (42050004), we get a palindrome (82055028).

The spelling of 40005024 in words is "forty million, five thousand, twenty-four".