1025904469530 has 32 divisors (see below), whose sum is σ = 2467065734784. Its totient is φ = 273030635456.

The previous prime is 1025904469493. The next prime is 1025904469549. The reversal of 1025904469530 is 359644095201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025904469530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33977769 + ... + 34007948.

It is an arithmetic number, because the mean of its divisors is an integer number (77095804212).

Almost surely, 2^{1025904469530} is an apocalyptic number.

1025904469530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025904469530 is an abundant number, since it is smaller than the sum of its proper divisors (1441161265254).

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

1025904469530 is a wasteful number, since it uses less digits than its factorization.

1025904469530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67986230.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 1025904469530 in words is "one trillion, twenty-five billion, nine hundred four million, four hundred sixty-nine thousand, five hundred thirty".