1042205340402 has 24 divisors (see below), whose sum is σ = 2258136216336. Its totient is φ = 347397988536.

The previous prime is 1042205340373. The next prime is 1042205340403. The reversal of 1042205340402 is 2040435022401.

1042205340402 is a `hidden beast` number, since 1 + 0 + 4 + 220 + 5 + 34 + 0 + 402 = 666.

It is not an unprimeable number, because it can be changed into a prime (1042205340403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1740993 + ... + 2261739.

It is an arithmetic number, because the mean of its divisors is an integer number (94089009014).

Almost surely, 2^{1042205340402} is an apocalyptic number.

1042205340402 is an abundant number, since it is smaller than the sum of its proper divisors (1215930875934).

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

1042205340402 is a wasteful number, since it uses less digits than its factorization.

1042205340402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631942 (or 631939 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The spelling of 1042205340402 in words is "one trillion, forty-two billion, two hundred five million, three hundred forty thousand, four hundred two".