2503345336440 has 64 divisors (see below), whose sum is σ = 8087731092000. Its totient is φ = 616208082432.

The previous prime is 2503345336351. The next prime is 2503345336441. The reversal of 2503345336440 is 446335433052.

It is a junction number, because it is equal to n+sod(n) for n = 2503345336392 and 2503345336401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503345336441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 802352715 + ... + 802355834.

Almost surely, 2^{2503345336440} is an apocalyptic number.

2503345336440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2503345336440 is an abundant number, since it is smaller than the sum of its proper divisors (5584385755560).

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

2503345336440 is a wasteful number, since it uses less digits than its factorization.

2503345336440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604708576 (or 1604708572 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 42.

The spelling of 2503345336440 in words is "two trillion, five hundred three billion, three hundred forty-five million, three hundred thirty-six thousand, four hundred forty".