2495381616 has 240 divisors, whose sum is σ = 8759814336. Its totient is φ = 645525504.

The previous prime is 2495381593. The next prime is 2495381641. The reversal of 2495381616 is 6161835942.

2495381616 is a `hidden beast` number, since 24 + 9 + 5 + 3 + 8 + 1 + 616 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 692716 + ... + 696308.

Almost surely, 2^2495381616 is an apocalyptic number.

2495381616 is a gapful number since it is divisible by the number (26) 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 2495381616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4379907168).

2495381616 is an abundant number, since it is smaller than the sum of its proper divisors (6264432720).

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

2495381616 is a wasteful number, since it uses less digits than its factorization.

2495381616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680 (or 3671 counting only the distinct ones).

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

The square root of 2495381616 is about 49953.7948108049. The cubic root of 2495381616 is about 1356.3725449352.

The spelling of 2495381616 in words is "two billion, four hundred ninety-five million, three hundred eighty-one thousand, six hundred sixteen".