499145262 has 128 divisors (see below), whose sum is σ = 1345766400. Its totient is φ = 121927680.

The previous prime is 499145261. The next prime is 499145341. The reversal of 499145262 is 262541994.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499145261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 384198 + ... + 385494.

It is an arithmetic number, because the mean of its divisors is an integer number (10513800).

Almost surely, 2^499145262 is an apocalyptic number.

499145262 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 499145262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672883200).

499145262 is an abundant number, since it is smaller than the sum of its proper divisors (846621138).

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

499145262 is a wasteful number, since it uses less digits than its factorization.

499145262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1337 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 499145262 is about 22341.5590771996. The cubic root of 499145262 is about 793.2479973570.

The spelling of 499145262 in words is "four hundred ninety-nine million, one hundred forty-five thousand, two hundred sixty-two".