1025664282 has 80 divisors (see below), whose sum is σ = 2366667072. Its totient is φ = 331801920.

The previous prime is 1025664271. The next prime is 1025664287. The reversal of 1025664282 is 2824665201.

It is a happy number.

1025664282 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 6 + 642 + 8 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1025664287) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2038843 + ... + 2039345.

Almost surely, 2^1025664282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025664282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183333536).

1025664282 is an abundant number, since it is smaller than the sum of its proper divisors (1341002790).

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

1025664282 is a wasteful number, since it uses less digits than its factorization.

1025664282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1025664282 is about 32025.9938487473. The cubic root of 1025664282 is about 1008.4826026648.

The spelling of 1025664282 in words is "one billion, twenty-five million, six hundred sixty-four thousand, two hundred eighty-two".