1025469044 has 12 divisors (see below), whose sum is σ = 1795208100. Its totient is φ = 512552448.

The previous prime is 1025469037. The next prime is 1025469047. The reversal of 1025469044 is 4409645201.

It can be written as a sum of positive squares in 2 ways, for example, as 575520100 + 449948944 = 23990^2 + 21212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1025468995 and 1025469013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025469047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32429 + ... + 55700.

It is an arithmetic number, because the mean of its divisors is an integer number (149600675).

Almost surely, 2^1025469044 is an apocalyptic number.

It is an amenable number.

1025469044 is a deficient number, since it is larger than the sum of its proper divisors (769739056).

1025469044 is a wasteful number, since it uses less digits than its factorization.

1025469044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91042 (or 91040 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1025469044 is about 32022.9455859388. The cubic root of 1025469044 is about 1008.4186094640.

The spelling of 1025469044 in words is "one billion, twenty-five million, four hundred sixty-nine thousand, forty-four".