40231015 has 16 divisors (see below), whose sum is σ = 53894016. Its totient is φ = 28576800.

The previous prime is 40231007. The next prime is 40231039. The reversal of 40231015 is 51013204.

40231015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40231015 - 2³ = 40231007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40231015.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 6141 + ... + 10870.

It is an arithmetic number, because the mean of its divisors is an integer number (3368376).

Almost surely, 2^40231015 is an apocalyptic number.

40231015 is a deficient number, since it is larger than the sum of its proper divisors (13663001).

40231015 is a wasteful number, since it uses less digits than its factorization.

40231015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17070.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 40231015 is about 6342.7923661428. The cubic root of 40231015 is about 342.6523094048.

Adding to 40231015 its reverse (51013204), we get a palindrome (91244219).

The spelling of 40231015 in words is "forty million, two hundred thirty-one thousand, fifteen".