1840220946402 has 16 divisors (see below), whose sum is σ = 3684881519040. Its totient is φ = 612667044432.

The previous prime is 1840220946373. The next prime is 1840220946407. The reversal of 1840220946402 is 2046490220481.

It is not an unprimeable number, because it can be changed into a prime (1840220946407) 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, 184979038 + ... + 184988985.

It is an arithmetic number, because the mean of its divisors is an integer number (230305094940).

Almost surely, 2^{1840220946402} is an apocalyptic number.

1840220946402 is an abundant number, since it is smaller than the sum of its proper divisors (1844660572638).

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

1840220946402 is a wasteful number, since it uses less digits than its factorization.

1840220946402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369968857.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 1840220946402 in words is "one trillion, eight hundred forty billion, two hundred twenty million, nine hundred forty-six thousand, four hundred two".