4000432725 has 24 divisors (see below), whose sum is σ = 7348944320. Its totient is φ = 2133563760.

The previous prime is 4000432699. The next prime is 4000432747. The reversal of 4000432725 is 5272340004.

It is not a de Polignac number, because 4000432725 - 2⁶ = 4000432661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2962609 + ... + 2963958.

Almost surely, 2^4000432725 is an apocalyptic number.

4000432725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4000432725 is a deficient number, since it is larger than the sum of its proper divisors (3348511595).

4000432725 is a wasteful number, since it uses less digits than its factorization.

4000432725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926586 (or 5926575 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 4000432725 is about 63248.9741023520. The cubic root of 4000432725 is about 1587.4582922475.

Adding to 4000432725 its reverse (5272340004), we get a palindrome (9272772729).

The spelling of 4000432725 in words is "four billion, four hundred thirty-two thousand, seven hundred twenty-five".