1941818220402 has 32 divisors (see below), whose sum is σ = 3895457192640. Its totient is φ = 645304186560.

The previous prime is 1941818220359. The next prime is 1941818220409. The reversal of 1941818220402 is 2040228181491.

It is not an unprimeable number, because it can be changed into a prime (1941818220409) 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, 4778548 + ... + 5168960.

It is an arithmetic number, because the mean of its divisors is an integer number (121733037270).

Almost surely, 2^{1941818220402} is an apocalyptic number.

1941818220402 is an abundant number, since it is smaller than the sum of its proper divisors (1953638972238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1941818220402 is a wasteful number, since it uses less digits than its factorization.

1941818220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392938.

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 1941818220402 in words is "one trillion, nine hundred forty-one billion, eight hundred eighteen million, two hundred twenty thousand, four hundred two".