2315545024440 has 64 divisors (see below), whose sum is σ = 7312247452800. Its totient is φ = 584979795072.

The previous prime is 2315545024423. The next prime is 2315545024447. The reversal of 2315545024440 is 444205455132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315545024447) 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, 507792682 + ... + 507797241.

It is an arithmetic number, because the mean of its divisors is an integer number (114253866450).

Almost surely, 2^{2315545024440} is an apocalyptic number.

2315545024440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315545024440 is an abundant number, since it is smaller than the sum of its proper divisors (4996702428360).

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

2315545024440 is a wasteful number, since it uses less digits than its factorization.

2315545024440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015589956 (or 1015589952 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 2315545024440 in words is "two trillion, three hundred fifteen billion, five hundred forty-five million, twenty-four thousand, four hundred forty".