5400785439 has 36 divisors (see below), whose sum is σ = 9130584216. Its totient is φ = 3067188768.

The previous prime is 5400785431. The next prime is 5400785443. The reversal of 5400785439 is 9345870045.

5400785439 is a `hidden beast` number, since 540 + 0 + 78 + 5 + 4 + 39 = 666.

It is not a de Polignac number, because 5400785439 - 2³ = 5400785431 is a prime.

It is a super-2 number, since 2×5400785439² = 58336966716228845442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5400785394 and 5400785403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400785431) 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 35 ways as a sum of consecutive naturals, for example, 34317 + ... + 109449.

Almost surely, 2^5400785439 is an apocalyptic number.

5400785439 is a deficient number, since it is larger than the sum of its proper divisors (3729798777).

5400785439 is a wasteful number, since it uses less digits than its factorization.

5400785439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75316 (or 75306 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 5400785439 is about 73490.0363246610. The cubic root of 5400785439 is about 1754.4956994547.

The spelling of 5400785439 in words is "five billion, four hundred million, seven hundred eighty-five thousand, four hundred thirty-nine".