40221215143 has 8 divisors (see below), whose sum is σ = 41536901120. Its totient is φ = 38906668440.

The previous prime is 40221215131. The next prime is 40221215147. The reversal of 40221215143 is 34151212204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40221215143 is a prime.

It is a super-2 number, since 2×40221215143² (a number of 22 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 (40221215147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212763 + ... + 354556.

It is an arithmetic number, because the mean of its divisors is an integer number (5192112640).

Almost surely, 2^40221215143 is an apocalyptic number.

40221215143 is a deficient number, since it is larger than the sum of its proper divisors (1315685977).

40221215143 is a wasteful number, since it uses less digits than its factorization.

40221215143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569637.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 40221215143 its reverse (34151212204), we get a palindrome (74372427347).

The spelling of 40221215143 in words is "forty billion, two hundred twenty-one million, two hundred fifteen thousand, one hundred forty-three".