40351504 has 10 divisors (see below), whose sum is σ = 78181070. Its totient is φ = 20175744.

The previous prime is 40351481. The next prime is 40351511. The reversal of 40351504 is 40515304.

40351504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40347904 + 3600 = 6352^2 + 60^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1260969 + ... + 1261000.

It is an arithmetic number, because the mean of its divisors is an integer number (7818107).

Almost surely, 2^40351504 is an apocalyptic number.

It is an amenable number.

40351504 is a deficient number, since it is larger than the sum of its proper divisors (37829566).

40351504 is a wasteful number, since it uses less digits than its factorization.

40351504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521977 (or 2521971 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40351504 is about 6352.2833689942. The cubic root of 40351504 is about 342.9940414948.

Adding to 40351504 its reverse (40515304), we get a palindrome (80866808).

The spelling of 40351504 in words is "forty million, three hundred fifty-one thousand, five hundred four".