1025859936 has 96 divisors (see below), whose sum is σ = 2825819136. Its totient is φ = 325440000.

The previous prime is 1025859881. The next prime is 1025859953. The reversal of 1025859936 is 6399585201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178711 + ... + 184361.

It is an arithmetic number, because the mean of its divisors is an integer number (29435616).

Almost surely, 2^1025859936 is an apocalyptic number.

1025859936 is a gapful number since it is divisible by the number (16) 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 1025859936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412909568).

1025859936 is an abundant number, since it is smaller than the sum of its proper divisors (1799959200).

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

1025859936 is a wasteful number, since it uses less digits than its factorization.

1025859936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756 (or 5748 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 1025859936 is about 32029.0483155526. The cubic root of 1025859936 is about 1008.5467240716.

The spelling of 1025859936 in words is "one billion, twenty-five million, eight hundred fifty-nine thousand, nine hundred thirty-six".