1345544125240 has 128 divisors (see below), whose sum is σ = 3513955737600. Its totient is φ = 454181253120.

The previous prime is 1345544125171. The next prime is 1345544125241. The reversal of 1345544125240 is 425214455431.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1345544125193 and 1345544125202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345544125241) 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, 5057871 + ... + 5317249.

It is an arithmetic number, because the mean of its divisors is an integer number (27452779200).

Almost surely, 2^{1345544125240} is an apocalyptic number.

1345544125240 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 1345544125240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756977868800).

1345544125240 is an abundant number, since it is smaller than the sum of its proper divisors (2168411612360).

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

1345544125240 is a wasteful number, since it uses less digits than its factorization.

1345544125240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259685 (or 259681 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 1345544125240 in words is "one trillion, three hundred forty-five billion, five hundred forty-four million, one hundred twenty-five thousand, two hundred forty".