1504425640 has 16 divisors (see below), whose sum is σ = 3384957780. Its totient is φ = 601770240.

The previous prime is 1504425623. The next prime is 1504425641. The reversal of 1504425640 is 465244051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1480864324 + 23561316 = 38482^2 + 4854^2 .

It is not an unprimeable number, because it can be changed into a prime (1504425641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18805281 + ... + 18805360.

Almost surely, 2^1504425640 is an apocalyptic number.

1504425640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1504425640 is an abundant number, since it is smaller than the sum of its proper divisors (1880532140).

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

1504425640 is a wasteful number, since it uses less digits than its factorization.

1504425640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37610652 (or 37610648 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1504425640 is about 38786.9261478659. The cubic root of 1504425640 is about 1145.8389356450.

Adding to 1504425640 its reverse (465244051), we get a palindrome (1969669691).

The spelling of 1504425640 in words is "one billion, five hundred four million, four hundred twenty-five thousand, six hundred forty".