499953287940 has 96 divisors (see below), whose sum is σ = 1435410377856. Its totient is φ = 129974691840.

The previous prime is 499953287903. The next prime is 499953287941. The reversal of 499953287940 is 49782359994.

It is not an unprimeable number, because it can be changed into a prime (499953287941) 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 31 ways as a sum of consecutive naturals, for example, 190842 + ... + 1018001.

It is an arithmetic number, because the mean of its divisors is an integer number (14952191436).

Almost surely, 2^499953287940 is an apocalyptic number.

It is an amenable number.

499953287940 is an abundant number, since it is smaller than the sum of its proper divisors (935457089916).

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

499953287940 is a wasteful number, since it uses less digits than its factorization.

499953287940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209029 (or 1209027 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 69.

The spelling of 499953287940 in words is "four hundred ninety-nine billion, nine hundred fifty-three million, two hundred eighty-seven thousand, nine hundred forty".