3425121051240 has 256 divisors, whose sum is σ = 11946155397120. Its totient is φ = 769413427200.

The previous prime is 3425121051227. The next prime is 3425121051263. The reversal of 3425121051240 is 421501215243.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3425121051198 and 3425121051207.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24298965 + ... + 24439515.

It is an arithmetic number, because the mean of its divisors is an integer number (46664669520).

Almost surely, 2^{3425121051240} is an apocalyptic number.

3425121051240 is a gapful number since it is divisible by the number (30) 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 3425121051240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5973077698560).

3425121051240 is an abundant number, since it is smaller than the sum of its proper divisors (8521034345880).

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

3425121051240 is a wasteful number, since it uses less digits than its factorization.

3425121051240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141072 (or 141068 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 3425121051240 its reverse (421501215243), we get a palindrome (3846622266483).

The spelling of 3425121051240 in words is "three trillion, four hundred twenty-five billion, one hundred twenty-one million, fifty-one thousand, two hundred forty".