2520106305240 has 64 divisors (see below), whose sum is σ = 7958230444800. Its totient is φ = 636658434432.

The previous prime is 2520106305229. The next prime is 2520106305247. The reversal of 2520106305240 is 425036010252.

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 = 2520106305198 and 2520106305207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520106305247) 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, 552652612 + ... + 552657171.

It is an arithmetic number, because the mean of its divisors is an integer number (124347350700).

Almost surely, 2^{2520106305240} is an apocalyptic number.

2520106305240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520106305240 is an abundant number, since it is smaller than the sum of its proper divisors (5438124139560).

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

2520106305240 is a wasteful number, since it uses less digits than its factorization.

2520106305240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105309816 (or 1105309812 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 2520106305240 in words is "two trillion, five hundred twenty billion, one hundred six million, three hundred five thousand, two hundred forty".