40003221642215 has 16 divisors (see below), whose sum is σ = 51766998352608. Its totient is φ = 29500539278976.

The previous prime is 40003221642211. The next prime is 40003221642233. The reversal of 40003221642215 is 51224612230004.

It is a cyclic number.

It is not a de Polignac number, because 40003221642215 - 2² = 40003221642211 is a prime.

It is a super-2 number, since 2×40003221642215² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003221642211) 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, 419757389 + ... + 419852678.

It is an arithmetic number, because the mean of its divisors is an integer number (3235437397038).

Almost surely, 2^{40003221642215} is an apocalyptic number.

40003221642215 is a deficient number, since it is larger than the sum of its proper divisors (11763776710393).

40003221642215 is a wasteful number, since it uses less digits than its factorization.

40003221642215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839610818.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 40003221642215 its reverse (51224612230004), we get a palindrome (91227833872219).

The spelling of 40003221642215 in words is "forty trillion, three billion, two hundred twenty-one million, six hundred forty-two thousand, two hundred fifteen".