40615125 has 64 divisors (see below), whose sum is σ = 74939904. Its totient is φ = 19430400.

The previous prime is 40615123. The next prime is 40615139. The reversal of 40615125 is 52151604.

It is not a de Polignac number, because 40615125 - 2¹ = 40615123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40615095 and 40615104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40615123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146487 + ... + 146763.

It is an arithmetic number, because the mean of its divisors is an integer number (1170936).

Almost surely, 2^40615125 is an apocalyptic number.

It is an amenable number.

40615125 is a deficient number, since it is larger than the sum of its proper divisors (34324779).

40615125 is a wasteful number, since it uses less digits than its factorization.

40615125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 40615125 is about 6372.9996861760. Note that the first 3 decimals coincide. The cubic root of 40615125 is about 343.7393605522.

Adding to 40615125 its reverse (52151604), we get a palindrome (92766729).

The spelling of 40615125 in words is "forty million, six hundred fifteen thousand, one hundred twenty-five".