40220221021210 has 24 divisors (see below), whose sum is σ = 73969520149620. Its totient is φ = 15745788646464.

The previous prime is 40220221021207. The next prime is 40220221021237. The reversal of 40220221021210 is 1212012202204.

It can be written as a sum of positive squares in 2 ways, for example, as 37486757305449 + 2733463715761 = 6122643^2 + 1653319^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 910349595 + ... + 910393774.

Almost surely, 2^{40220221021210} is an apocalyptic number.

40220221021210 is a deficient number, since it is larger than the sum of its proper divisors (33749299128410).

40220221021210 is a wasteful number, since it uses less digits than its factorization.

40220221021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820743470 (or 1820743423 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 40220221021210 its reverse (1212012202204), we get a palindrome (41432233223414).

The spelling of 40220221021210 in words is "forty trillion, two hundred twenty billion, two hundred twenty-one million, twenty-one thousand, two hundred ten".