1040202323442 has 48 divisors (see below), whose sum is σ = 2273842553112. Its totient is φ = 343657416960.

The previous prime is 1040202323431. The next prime is 1040202323477. The reversal of 1040202323442 is 2443232020401.

1040202323442 is a `hidden beast` number, since 1 + 0 + 402 + 0 + 23 + 234 + 4 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1020077780121 + 20124543321 = 1009989^2 + 141861^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 658342 + ... + 1585502.

Almost surely, 2^{1040202323442} is an apocalyptic number.

1040202323442 is an abundant number, since it is smaller than the sum of its proper divisors (1233640229670).

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

1040202323442 is a wasteful number, since it uses less digits than its factorization.

1040202323442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927723 (or 927720 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1040202323442 its reverse (2443232020401), we get a palindrome (3483434343843).

The spelling of 1040202323442 in words is "one trillion, forty billion, two hundred two million, three hundred twenty-three thousand, four hundred forty-two".