2495609280 has 168 divisors, whose sum is σ = 8603479872. Its totient is φ = 663975936.

The previous prime is 2495609269. The next prime is 2495609293. The reversal of 2495609280 is 829065942.

2495609280 is a `hidden beast` number, since 2 + 4 + 9 + 560 + 9 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1879977 + ... + 1881303.

Almost surely, 2^2495609280 is an apocalyptic number.

2495609280 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 2495609280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4301739936).

2495609280 is an abundant number, since it is smaller than the sum of its proper divisors (6107870592).

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

2495609280 is a wasteful number, since it uses less digits than its factorization.

2495609280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 2495609280 is about 49956.0735046300. The cubic root of 2495609280 is about 1356.4137928424.

It can be divided in two parts, 249560 and 9280, that added together give a triangular number (258840 = T₇₁₉).

The spelling of 2495609280 in words is "two billion, four hundred ninety-five million, six hundred nine thousand, two hundred eighty".