2520417440 has 48 divisors (see below), whose sum is σ = 5990205312. Its totient is φ = 1002119424.

The previous prime is 2520417439. The next prime is 2520417461. The reversal of 2520417440 is 447140252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20444 + ... + 73883.

It is an arithmetic number, because the mean of its divisors is an integer number (124795944).

Almost surely, 2^2520417440 is an apocalyptic number.

2520417440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520417440 is an abundant number, since it is smaller than the sum of its proper divisors (3469787872).

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

2520417440 is a wasteful number, since it uses less digits than its factorization.

2520417440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94509 (or 94501 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 2520417440 is about 50203.7592217953. The cubic root of 2520417440 is about 1360.8935592593.

Adding to 2520417440 its reverse (447140252), we get a palindrome (2967557692).

The spelling of 2520417440 in words is "two billion, five hundred twenty million, four hundred seventeen thousand, four hundred forty".