1025640924048 has 60 divisors (see below), whose sum is σ = 3091167790620. Its totient is φ = 315581822208.

The previous prime is 1025640924017. The next prime is 1025640924067. The reversal of 1025640924048 is 8404290465201.

It is a happy number.

1025640924048 is a `hidden beast` number, since 1 + 0 + 2 + 564 + 0 + 9 + 2 + 40 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 115891223184 + 909749700864 = 340428^2 + 953808^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1025640923994 and 1025640924012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273940683 + ... + 273944426.

It is an arithmetic number, because the mean of its divisors is an integer number (51519463177).

Almost surely, 2^{1025640924048} is an apocalyptic number.

1025640924048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1025640924048 is an abundant number, since it is smaller than the sum of its proper divisors (2065526866572).

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

1025640924048 is a wasteful number, since it uses less digits than its factorization.

1025640924048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547885136 (or 547885127 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 1025640924048 in words is "one trillion, twenty-five billion, six hundred forty million, nine hundred twenty-four thousand, forty-eight".