40125315 has 16 divisors (see below), whose sum is σ = 66272256. Its totient is φ = 20709600.

The previous prime is 40125313. The next prime is 40125329. The reversal of 40125315 is 51352104.

It is not a de Polignac number, because 40125315 - 2¹ = 40125313 is a prime.

It is a super-2 number, since 2×40125315² = 3220081807698450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40125291 and 40125300.

It is not an unprimeable number, because it can be changed into a prime (40125313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42681 + ... + 43610.

It is an arithmetic number, because the mean of its divisors is an integer number (4142016).

Almost surely, 2^40125315 is an apocalyptic number.

40125315 is a deficient number, since it is larger than the sum of its proper divisors (26146941).

40125315 is a wasteful number, since it uses less digits than its factorization.

40125315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86330.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 40125315 is about 6334.4545937279. The cubic root of 40125315 is about 342.3519597482.

Adding to 40125315 its reverse (51352104), we get a palindrome (91477419).

The spelling of 40125315 in words is "forty million, one hundred twenty-five thousand, three hundred fifteen".