1025343680 has 56 divisors (see below), whose sum is σ = 2547774432. Its totient is φ = 392302592.

The previous prime is 1025343677. The next prime is 1025343689. The reversal of 1025343680 is 863435201.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1025343689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62297 + ... + 77016.

It is an arithmetic number, because the mean of its divisors is an integer number (45495972).

Almost surely, 2^1025343680 is an apocalyptic number.

1025343680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025343680 is an abundant number, since it is smaller than the sum of its proper divisors (1522430752).

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

1025343680 is a wasteful number, since it uses less digits than its factorization.

1025343680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139353 (or 139343 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1025343680 is about 32020.9881171709. The cubic root of 1025343680 is about 1008.3775145968.

Adding to 1025343680 its reverse (863435201), we get a palindrome (1888778881).

The spelling of 1025343680 in words is "one billion, twenty-five million, three hundred forty-three thousand, six hundred eighty".