1025870880 has 192 divisors, whose sum is σ = 3392202240. Its totient is φ = 260296704.

The previous prime is 1025870869. The next prime is 1025870887. The reversal of 1025870880 is 880785201.

It is a super-2 number, since 2×1025870880² = 2104822124863948800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025870887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834106 + ... + 835334.

It is an arithmetic number, because the mean of its divisors is an integer number (17667720).

Almost surely, 2^1025870880 is an apocalyptic number.

1025870880 is a gapful number since it is divisible by the number (10) 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 1025870880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696101120).

1025870880 is an abundant number, since it is smaller than the sum of its proper divisors (2366331360).

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

1025870880 is a wasteful number, since it uses less digits than its factorization.

1025870880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 1025870880 is about 32029.2191600108. The cubic root of 1025870880 is about 1008.5503104923.

The spelling of 1025870880 in words is "one billion, twenty-five million, eight hundred seventy thousand, eight hundred eighty".