1025340400 has 60 divisors (see below), whose sum is σ = 2815299472. Its totient is φ = 351544320.

The previous prime is 1025340389. The next prime is 1025340403. The reversal of 1025340400 is 40435201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025340403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180297 + ... + 185896.

Almost surely, 2^1025340400 is an apocalyptic number.

1025340400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025340400 is an abundant number, since it is smaller than the sum of its proper divisors (1789959072).

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

1025340400 is a wasteful number, since it uses less digits than its factorization.

1025340400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366218 (or 366207 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1025340400 is about 32020.9369007217. The cubic root of 1025340400 is about 1008.3764393535.

Adding to 1025340400 its reverse (40435201), we get a palindrome (1065775601).

It can be divided in two parts, 10253 and 40400, that added together give a cube (50653 = 37³).

The spelling of 1025340400 in words is "one billion, twenty-five million, three hundred forty thousand, four hundred".