40208221211570 has 16 divisors (see below), whose sum is σ = 76183998085440. Its totient is φ = 15236799616944.

The previous prime is 40208221211479. The next prime is 40208221211573. The reversal of 40208221211570 is 7511212280204.

It is a self number, because there is not a number n which added to its sum of digits gives 40208221211570.

It is not an unprimeable number, because it can be changed into a prime (40208221211573) 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, 105811108262 + ... + 105811108641.

It is an arithmetic number, because the mean of its divisors is an integer number (4761499880340).

Almost surely, 2^{40208221211570} is an apocalyptic number.

40208221211570 is a deficient number, since it is larger than the sum of its proper divisors (35975776873870).

40208221211570 is a wasteful number, since it uses less digits than its factorization.

40208221211570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211622216929.

The product of its (nonzero) digits is 17920, while the sum is 35.

Adding to 40208221211570 its reverse (7511212280204), we get a palindrome (47719433491774).

The spelling of 40208221211570 in words is "forty trillion, two hundred eight billion, two hundred twenty-one million, two hundred eleven thousand, five hundred seventy".