999495000420 has 48 divisors (see below), whose sum is σ = 3198384002688. Its totient is φ = 228456000000.

The previous prime is 999495000419. The next prime is 999495000421. The reversal of 999495000420 is 24000594999.

It is an interprime number because it is at equal distance from previous prime (999495000419) and next prime (999495000421).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (999495000421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189874581 + ... + 1189875420.

It is an arithmetic number, because the mean of its divisors is an integer number (66633000056).

Almost surely, 2^999495000420 is an apocalyptic number.

It is an amenable number.

999495000420 is an abundant number, since it is smaller than the sum of its proper divisors (2198889002268).

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

999495000420 is a wasteful number, since it uses less digits than its factorization.

999495000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379750020 (or 2379750018 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 999495000420 in words is "nine hundred ninety-nine billion, four hundred ninety-five million, four hundred twenty", and thus it is an aban number.