1025495040 has 104 divisors (see below), whose sum is σ = 3281380128. Its totient is φ = 273448960.

The previous prime is 1025495027. The next prime is 1025495047. The reversal of 1025495040 is 405945201.

1025495040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1025494989 and 1025495007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025495047) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 53095 + ... + 69785.

It is an arithmetic number, because the mean of its divisors is an integer number (31551732).

Almost surely, 2^1025495040 is an apocalyptic number.

1025495040 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 1025495040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640690064).

1025495040 is an abundant number, since it is smaller than the sum of its proper divisors (2255885088).

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

1025495040 is an equidigital number, since it uses as much as digits as its factorization.

1025495040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16723 (or 16701 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1025495040 is about 32023.3514798186. The cubic root of 1025495040 is about 1008.4271306472.

The spelling of 1025495040 in words is "one billion, twenty-five million, four hundred ninety-five thousand, forty".