1499400630 has 384 divisors, whose sum is σ = 5094835200. Its totient is φ = 297464832.

The previous prime is 1499400619. The next prime is 1499400671. The reversal of 1499400630 is 360049941.

1499400630 is a `hidden beast` number, since 14 + 9 + 9 + 4 + 0 + 0 + 630 = 666.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 14013037 + ... + 14013143.

It is an arithmetic number, because the mean of its divisors is an integer number (13267800).

Almost surely, 2^1499400630 is an apocalyptic number.

1499400630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1499400630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2547417600).

1499400630 is an abundant number, since it is smaller than the sum of its proper divisors (3595434570).

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

1499400630 is a wasteful number, since it uses less digits than its factorization.

1499400630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1499400630 is about 38722.0948555214. The cubic root of 1499400630 is about 1144.5617539354.

The spelling of 1499400630 in words is "one billion, four hundred ninety-nine million, four hundred thousand, six hundred thirty".