1003402402444 has 48 divisors (see below), whose sum is σ = 2017549217376. Its totient is φ = 432539827200.

The previous prime is 1003402402439. The next prime is 1003402402469. The reversal of 1003402402444 is 4442042043001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4216527 + ... + 4448134.

It is an arithmetic number, because the mean of its divisors is an integer number (42032275362).

Almost surely, 2^{1003402402444} is an apocalyptic number.

It is an amenable number.

1003402402444 is an abundant number, since it is smaller than the sum of its proper divisors (1014146814932).

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

1003402402444 is a wasteful number, since it uses less digits than its factorization.

1003402402444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8664826 (or 8664824 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 1003402402444 its reverse (4442042043001), we get a palindrome (5445444445445).

The spelling of 1003402402444 in words is "one trillion, three billion, four hundred two million, four hundred two thousand, four hundred forty-four".