2520246740 has 48 divisors (see below), whose sum is σ = 5972762880. Its totient is φ = 884849280.

The previous prime is 2520246733. The next prime is 2520246761. The reversal of 2520246740 is 476420252.

It is a junction number, because it is equal to n+sod(n) for n = 2520246697 and 2520246706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191132 + ... + 203891.

It is an arithmetic number, because the mean of its divisors is an integer number (124432560).

Almost surely, 2^2520246740 is an apocalyptic number.

2520246740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520246740 is an abundant number, since it is smaller than the sum of its proper divisors (3452516140).

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

2520246740 is a wasteful number, since it uses less digits than its factorization.

2520246740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395072 (or 395070 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 2520246740 is about 50202.0591211157. The cubic root of 2520246740 is about 1360.8628355425.

Adding to 2520246740 its reverse (476420252), we get a palindrome (2996666992).

The spelling of 2520246740 in words is "two billion, five hundred twenty million, two hundred forty-six thousand, seven hundred forty".