40142220263215 has 64 divisors (see below), whose sum is σ = 57073222287360. Its totient is φ = 26519690695680.

The previous prime is 40142220263129. The next prime is 40142220263231. The reversal of 40142220263215 is 51236202224104.

It is a de Polignac number, because none of the positive numbers 2^k-40142220263215 is a prime.

It is a super-2 number, since 2×40142220263215² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3756167602 + ... + 3756178288.

It is an arithmetic number, because the mean of its divisors is an integer number (891769098240).

Almost surely, 2^{40142220263215} is an apocalyptic number.

40142220263215 is a deficient number, since it is larger than the sum of its proper divisors (16931002024145).

40142220263215 is a wasteful number, since it uses less digits than its factorization.

40142220263215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18352.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 40142220263215 its reverse (51236202224104), we get a palindrome (91378422487319).

The spelling of 40142220263215 in words is "forty trillion, one hundred forty-two billion, two hundred twenty million, two hundred sixty-three thousand, two hundred fifteen".