1040725504 has 120 divisors (see below), whose sum is σ = 2605801968. Its totient is φ = 411586560.

The previous prime is 1040725501. The next prime is 1040725507. The reversal of 1040725504 is 4055270401.

It is an interprime number because it is at equal distance from previous prime (1040725501) and next prime (1040725507).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040725501) 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, 324549 + ... + 327739.

Almost surely, 2^1040725504 is an apocalyptic number.

1040725504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040725504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302900984).

1040725504 is an abundant number, since it is smaller than the sum of its proper divisors (1565076464).

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

1040725504 is an equidigital number, since it uses as much as digits as its factorization.

1040725504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236 (or 3213 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1040725504 is about 32260.2774941568. The cubic root of 1040725504 is about 1013.3949423915.

Adding to 1040725504 its reverse (4055270401), we get a palindrome (5095995905).

The spelling of 1040725504 in words is "one billion, forty million, seven hundred twenty-five thousand, five hundred four".