992040459 has 16 divisors (see below), whose sum is σ = 1329659520. Its totient is φ = 657901440.

The previous prime is 992040451. The next prime is 992040481. The reversal of 992040459 is 954040299.

It is not a de Polignac number, because 992040459 - 2³ = 992040451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 992040459.

It is not an unprimeable number, because it can be changed into a prime (992040451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557379 + ... + 559155.

It is an arithmetic number, because the mean of its divisors is an integer number (83103720).

Almost surely, 2^992040459 is an apocalyptic number.

992040459 is a deficient number, since it is larger than the sum of its proper divisors (337619061).

992040459 is a wasteful number, since it uses less digits than its factorization.

992040459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 992040459 is about 31496.6737767657. The cubic root of 992040459 is about 997.3397490068.

The spelling of 992040459 in words is "nine hundred ninety-two million, forty thousand, four hundred fifty-nine".