40301540 has 24 divisors (see below), whose sum is σ = 84756672. Its totient is φ = 16097120.

The previous prime is 40301537. The next prime is 40301549. The reversal of 40301540 is 4510304.

It is not an unprimeable number, because it can be changed into a prime (40301549) 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, 20897 + ... + 22743.

It is an arithmetic number, because the mean of its divisors is an integer number (3531528).

Almost surely, 2^40301540 is an apocalyptic number.

It is an amenable number.

40301540 is an abundant number, since it is smaller than the sum of its proper divisors (44455132).

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

40301540 is a wasteful number, since it uses less digits than its factorization.

40301540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40301540 is about 6348.3493917711. The cubic root of 40301540 is about 342.8524157748.

Adding to 40301540 its reverse (4510304), we get a palindrome (44811844).

The spelling of 40301540 in words is "forty million, three hundred one thousand, five hundred forty".