1025833864 has 64 divisors (see below), whose sum is σ = 2226585600. Its totient is φ = 438177600.

The previous prime is 1025833819. The next prime is 1025833877. The reversal of 1025833864 is 4683385201.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209929 + ... + 214759.

It is an arithmetic number, because the mean of its divisors is an integer number (34790400).

Almost surely, 2^1025833864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025833864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113292800).

1025833864 is an abundant number, since it is smaller than the sum of its proper divisors (1200751736).

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

1025833864 is a wasteful number, since it uses less digits than its factorization.

1025833864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994 (or 4990 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1025833864 is about 32028.6413074298. The cubic root of 1025833864 is about 1008.5381800030.

The spelling of 1025833864 in words is "one billion, twenty-five million, eight hundred thirty-three thousand, eight hundred sixty-four".