1625040432 has 60 divisors (see below), whose sum is σ = 4576887120. Its totient is φ = 538222464.

The previous prime is 1625040377. The next prime is 1625040451. The reversal of 1625040432 is 2340405261.

1625040432 is a `hidden beast` number, since 1 + 6 + 250 + 404 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1625040396 and 1625040405.

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, 13332 + ... + 58547.

It is an arithmetic number, because the mean of its divisors is an integer number (76281452).

Almost surely, 2^1625040432 is an apocalyptic number.

1625040432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1625040432 is an abundant number, since it is smaller than the sum of its proper divisors (2951846688).

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

1625040432 is a wasteful number, since it uses less digits than its factorization.

1625040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72050 (or 72041 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1625040432 is about 40311.7902356122. The cubic root of 1625040432 is about 1175.6770944630.

Adding to 1625040432 its reverse (2340405261), we get a palindrome (3965445693).

The spelling of 1625040432 in words is "one billion, six hundred twenty-five million, forty thousand, four hundred thirty-two".