2505690024040 has 64 divisors (see below), whose sum is σ = 6548829240960. Its totient is φ = 845010213120.

The previous prime is 2505690024011. The next prime is 2505690024049. The reversal of 2505690024040 is 404200965052.

It is not an unprimeable number, because it can be changed into a prime (2505690024049) 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, 73334502 + ... + 73368661.

It is an arithmetic number, because the mean of its divisors is an integer number (102325456890).

Almost surely, 2^{2505690024040} is an apocalyptic number.

2505690024040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505690024040 is an abundant number, since it is smaller than the sum of its proper divisors (4043139216920).

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

2505690024040 is a wasteful number, since it uses less digits than its factorization.

2505690024040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146703242 (or 146703238 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 2505690024040 its reverse (404200965052), we get a palindrome (2909890989092).

The spelling of 2505690024040 in words is "two trillion, five hundred five billion, six hundred ninety million, twenty-four thousand, forty".