40220320212215 has 128 divisors (see below), whose sum is σ = 59922716958720. Its totient is φ = 25509505996800.

The previous prime is 40220320212197. The next prime is 40220320212263. The reversal of 40220320212215 is 51221202302204.

It is not a de Polignac number, because 40220320212215 - 2¹⁴ = 40220320195831 is a prime.

It is a super-2 number, since 2×40220320212215² (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 127 ways as a sum of consecutive naturals, for example, 2109189701 + ... + 2109208769.

It is an arithmetic number, because the mean of its divisors is an integer number (468146226240).

Almost surely, 2^{40220320212215} is an apocalyptic number.

40220320212215 is a deficient number, since it is larger than the sum of its proper divisors (19702396746505).

40220320212215 is a wasteful number, since it uses less digits than its factorization.

40220320212215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21385.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40220320212215 its reverse (51221202302204), we get a palindrome (91441522514419).

The spelling of 40220320212215 in words is "forty trillion, two hundred twenty billion, three hundred twenty million, two hundred twelve thousand, two hundred fifteen".