1715540412040 has 128 divisors (see below), whose sum is σ = 4759417877760. Its totient is φ = 541947055104.

The previous prime is 1715540412037. The next prime is 1715540412049. The reversal of 1715540412040 is 402140455171.

It is a junction number, because it is equal to n+sod(n) for n = 1715540411987 and 1715540412005.

It is not an unprimeable number, because it can be changed into a prime (1715540412049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1560274 + ... + 2421886.

It is an arithmetic number, because the mean of its divisors is an integer number (37182952170).

Almost surely, 2^{1715540412040} is an apocalyptic number.

1715540412040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1715540412040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2379708938880).

1715540412040 is an abundant number, since it is smaller than the sum of its proper divisors (3043877465720).

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

1715540412040 is a wasteful number, since it uses less digits than its factorization.

1715540412040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862191 (or 862187 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 1715540412040 in words is "one trillion, seven hundred fifteen billion, five hundred forty million, four hundred twelve thousand, forty".