2530620440 has 16 divisors (see below), whose sum is σ = 5693896080. Its totient is φ = 1012248160.

The previous prime is 2530620413. The next prime is 2530620457. The reversal of 2530620440 is 440260352.

It is a super-2 number, since 2×2530620440² = 12808079622691587200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31632716 + ... + 31632795.

It is an arithmetic number, because the mean of its divisors is an integer number (355868505).

Almost surely, 2^2530620440 is an apocalyptic number.

2530620440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530620440 is an abundant number, since it is smaller than the sum of its proper divisors (3163275640).

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

2530620440 is a wasteful number, since it uses less digits than its factorization.

2530620440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63265522 (or 63265518 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2530620440 is about 50305.2724870863. The cubic root of 2530620440 is about 1362.7274489406.

Adding to 2530620440 its reverse (440260352), we get a palindrome (2970880792).

The spelling of 2530620440 in words is "two billion, five hundred thirty million, six hundred twenty thousand, four hundred forty".