2003261278350 has 96 divisors (see below), whose sum is σ = 5184535382784. Its totient is φ = 510933068800.

The previous prime is 2003261278349. The next prime is 2003261278409. The reversal of 2003261278350 is 538721623002.

It is a junction number, because it is equal to n+sod(n) for n = 2003261278299 and 2003261278308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64854910 + ... + 64885790.

It is an arithmetic number, because the mean of its divisors is an integer number (54005576904).

Almost surely, 2^{2003261278350} is an apocalyptic number.

2003261278350 is an abundant number, since it is smaller than the sum of its proper divisors (3181274104434).

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

2003261278350 is a wasteful number, since it uses less digits than its factorization.

2003261278350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49722 (or 49717 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 2003261278350 in words is "two trillion, three billion, two hundred sixty-one million, two hundred seventy-eight thousand, three hundred fifty".