2002630207440 has 40 divisors (see below), whose sum is σ = 6208153643808. Its totient is φ = 534034721920.

The previous prime is 2002630207427. The next prime is 2002630207447. The reversal of 2002630207440 is 447020362002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2002630207398 and 2002630207407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002630207447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4172146026 + ... + 4172146505.

Almost surely, 2^{2002630207440} is an apocalyptic number.

2002630207440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002630207440 is an abundant number, since it is smaller than the sum of its proper divisors (4205523436368).

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

2002630207440 is a wasteful number, since it uses less digits than its factorization.

2002630207440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8344292547 (or 8344292541 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

Adding to 2002630207440 its reverse (447020362002), we get a palindrome (2449650569442).

The spelling of 2002630207440 in words is "two trillion, two billion, six hundred thirty million, two hundred seven thousand, four hundred forty".