1025444453530 has 128 divisors (see below), whose sum is σ = 2238895572480. Its totient is φ = 330667868160.

The previous prime is 1025444453519. The next prime is 1025444453563. The reversal of 1025444453530 is 353544445201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56004637 + ... + 56022943.

It is an arithmetic number, because the mean of its divisors is an integer number (17491371660).

Almost surely, 2^{1025444453530} is an apocalyptic number.

1025444453530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025444453530 is an abundant number, since it is smaller than the sum of its proper divisors (1213451118950).

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

1025444453530 is a wasteful number, since it uses less digits than its factorization.

1025444453530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19064.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 1025444453530 its reverse (353544445201), we get a palindrome (1378988898731).

The spelling of 1025444453530 in words is "one trillion, twenty-five billion, four hundred forty-four million, four hundred fifty-three thousand, five hundred thirty".