40126215 has 8 divisors (see below), whose sum is σ = 64201968. Its totient is φ = 21400640.

The previous prime is 40126213. The next prime is 40126223. The reversal of 40126215 is 51262104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40126215 - 2¹ = 40126213 is a prime.

It is a super-2 number, since 2×40126215² = 3220226260452450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40126191 and 40126200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40126211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337526 + ... + 1337555.

It is an arithmetic number, because the mean of its divisors is an integer number (8025246).

Almost surely, 2^40126215 is an apocalyptic number.

40126215 is a deficient number, since it is larger than the sum of its proper divisors (24075753).

40126215 is a wasteful number, since it uses less digits than its factorization.

40126215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675089.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 40126215 is about 6334.5256333841. The cubic root of 40126215 is about 342.3545193498.

Adding to 40126215 its reverse (51262104), we get a palindrome (91388319).

The spelling of 40126215 in words is "forty million, one hundred twenty-six thousand, two hundred fifteen".