2500430555320 has 32 divisors (see below), whose sum is σ = 5649313039920. Its totient is φ = 996022126080.

The previous prime is 2500430555297. The next prime is 2500430555339. The reversal of 2500430555320 is 235550340052.

It is a congruent number.

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, 129680742 + ... + 129700021.

Almost surely, 2^{2500430555320} is an apocalyptic number.

2500430555320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500430555320 is an abundant number, since it is smaller than the sum of its proper divisors (3148882484600).

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

2500430555320 is a wasteful number, since it uses less digits than its factorization.

2500430555320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259381015 (or 259381011 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

Adding to 2500430555320 its reverse (235550340052), we get a palindrome (2735980895372).

The spelling of 2500430555320 in words is "two trillion, five hundred billion, four hundred thirty million, five hundred fifty-five thousand, three hundred twenty".