1499630400 has 252 divisors, whose sum is σ = 5365406592. Its totient is φ = 397255680.

The previous prime is 1499630329. The next prime is 1499630411. The reversal of 1499630400 is 40369941.

1499630400 is a `hidden beast` number, since 14 + 9 + 9 + 630 + 4 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3210967 + ... + 3211433.

It is an arithmetic number, because the mean of its divisors is an integer number (21291296).

Almost surely, 2^1499630400 is an apocalyptic number.

1499630400 is a gapful number since it is divisible by the number (10) 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 1499630400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2682703296).

1499630400 is an abundant number, since it is smaller than the sum of its proper divisors (3865776192).

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

1499630400 is a wasteful number, since it uses less digits than its factorization.

1499630400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 700 counting only the distinct ones).

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

The square root of 1499630400 is about 38725.0616526301. The cubic root of 1499630400 is about 1144.6202156337.

The spelling of 1499630400 in words is "one billion, four hundred ninety-nine million, six hundred thirty thousand, four hundred".