1499685376 has 180 divisors, whose sum is σ = 3676042062. Its totient is φ = 609337344.

The previous prime is 1499685347. The next prime is 1499685389. The reversal of 1499685376 is 6735869941.

It can be written as a sum of positive squares in only one way, i.e., 1493049600 + 6635776 = 38640^2 + 2576^2 .

It is a super-2 number, since 2×1499685376² = 4498112453976522752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1499685376.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13271496 + ... + 13271608.

Almost surely, 2^1499685376 is an apocalyptic number.

1499685376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1499685376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1838021031).

1499685376 is an abundant number, since it is smaller than the sum of its proper divisors (2176356686).

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

1499685376 is an equidigital number, since it uses as much as digits as its factorization.

1499685376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 145 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 58.

The square root of 1499685376 is about 38725.7714706886. The cubic root of 1499685376 is about 1144.6342026072.

The spelling of 1499685376 in words is "one billion, four hundred ninety-nine million, six hundred eighty-five thousand, three hundred seventy-six".