1025741580 has 144 divisors (see below), whose sum is σ = 3180661344. Its totient is φ = 246118400.

The previous prime is 1025741573. The next prime is 1025741599. The reversal of 1025741580 is 851475201.

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, 538630 + ... + 540530.

It is an arithmetic number, because the mean of its divisors is an integer number (22087926).

Almost surely, 2^1025741580 is an apocalyptic number.

1025741580 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 1025741580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590330672).

1025741580 is an abundant number, since it is smaller than the sum of its proper divisors (2154919764).

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

1025741580 is a wasteful number, since it uses less digits than its factorization.

1025741580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1951 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 1025741580 is about 32027.2006269671. The cubic root of 1025741580 is about 1008.5079364026.

The spelling of 1025741580 in words is "one billion, twenty-five million, seven hundred forty-one thousand, five hundred eighty".