40112215 has 16 divisors (see below), whose sum is σ = 56550816. Its totient is φ = 26928000.

The previous prime is 40112209. The next prime is 40112243. The reversal of 40112215 is 51221104.

It is not a de Polignac number, because 40112215 - 2⁵ = 40112183 is a prime.

It is a super-3 number, since 3×40112215³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27336 + ... + 28765.

It is an arithmetic number, because the mean of its divisors is an integer number (3534426).

Almost surely, 2^40112215 is an apocalyptic number.

40112215 is a deficient number, since it is larger than the sum of its proper divisors (16438601).

40112215 is a wasteful number, since it uses less digits than its factorization.

40112215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56130.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 40112215 is about 6333.4204818565. The cubic root of 40112215 is about 342.3146989913.

Adding to 40112215 its reverse (51221104), we get a palindrome (91333319).

Subtracting 40112215 from its reverse (51221104), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 4011 and 2215, that added together give a palindrome (6226).

The spelling of 40112215 in words is "forty million, one hundred twelve thousand, two hundred fifteen".