1002251330040 has 64 divisors (see below), whose sum is σ = 3016239132960. Its totient is φ = 266423897600.

The previous prime is 1002251330029. The next prime is 1002251330071. The reversal of 1002251330040 is 400331522001.

It is a junction number, because it is equal to n+sod(n) for n = 1002251329989 and 1002251330016.

It is a congruent number.

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, 13135611 + ... + 13211690.

Almost surely, 2^{1002251330040} is an apocalyptic number.

1002251330040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002251330040 is an abundant number, since it is smaller than the sum of its proper divisors (2013987802920).

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

1002251330040 is a wasteful number, since it uses less digits than its factorization.

1002251330040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26347632 (or 26347628 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 1002251330040 its reverse (400331522001), we get a palindrome (1402582852041).

The spelling of 1002251330040 in words is "one trillion, two billion, two hundred fifty-one million, three hundred thirty thousand, forty".