2570019648 has 168 divisors, whose sum is σ = 8203338432. Its totient is φ = 695513088.

The previous prime is 2570019637. The next prime is 2570019689. The reversal of 2570019648 is 8469100752.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×2570019648² = 13210001982212087808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 482536 + ... + 487832.

Almost surely, 2^2570019648 is an apocalyptic number.

2570019648 is a gapful number since it is divisible by the number (28) 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 2570019648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4101669216).

2570019648 is an abundant number, since it is smaller than the sum of its proper divisors (5633318784).

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

2570019648 is a wasteful number, since it uses less digits than its factorization.

2570019648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357 (or 5328 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 2570019648 is about 50695.3612079054. The cubic root of 2570019648 is about 1369.7631586601.

The spelling of 2570019648 in words is "two billion, five hundred seventy million, nineteen thousand, six hundred forty-eight".