2495167220 has 144 divisors (see below), whose sum is σ = 6594876288. Its totient is φ = 788296320.

The previous prime is 2495167219. The next prime is 2495167247. The reversal of 2495167220 is 227615942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4369535 + ... + 4370105.

It is an arithmetic number, because the mean of its divisors is an integer number (45797752).

Almost surely, 2^2495167220 is an apocalyptic number.

2495167220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2495167220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3297438144).

2495167220 is an abundant number, since it is smaller than the sum of its proper divisors (4099709068).

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

2495167220 is an equidigital number, since it uses as much as digits as its factorization.

2495167220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 2495167220 is about 49951.6488216355. The cubic root of 2495167220 is about 1356.3336986154. Note that the first 3 decimals are identical.

The spelling of 2495167220 in words is "two billion, four hundred ninety-five million, one hundred sixty-seven thousand, two hundred twenty".