1010304040402 has 4 divisors (see below), whose sum is σ = 1515456060606. Its totient is φ = 505152020200.

The previous prime is 1010304040391. The next prime is 1010304040453. The reversal of 1010304040402 is 2040404030101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 797090054401 + 213213986001 = 892799^2 + 461751^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1010304040402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252576010099 + ... + 252576010102.

Almost surely, 2^{1010304040402} is an apocalyptic number.

1010304040402 is a deficient number, since it is larger than the sum of its proper divisors (505152020204).

1010304040402 is an equidigital number, since it uses as much as digits as its factorization.

1010304040402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505152020203.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1010304040402 its reverse (2040404030101), we get a palindrome (3050708070503).

The spelling of 1010304040402 in words is "one trillion, ten billion, three hundred four million, forty thousand, four hundred two".