1499451408 has 480 divisors, whose sum is σ = 5615640576. Its totient is φ = 362299392.

The previous prime is 1499451361. The next prime is 1499451433. The reversal of 1499451408 is 8041549941.

It is a happy number.

1499451408 is a `hidden beast` number, since 1 + 49 + 94 + 514 + 0 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11806641 + ... + 11806767.

Almost surely, 2^1499451408 is an apocalyptic number.

1499451408 is a gapful number since it is divisible by the number (18) 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 1499451408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2807820288).

1499451408 is an abundant number, since it is smaller than the sum of its proper divisors (4116189168).

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

1499451408 is a wasteful number, since it uses less digits than its factorization.

1499451408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1499451408 is about 38722.7505221414. The cubic root of 1499451408 is about 1144.5746741871.

The spelling of 1499451408 in words is "one billion, four hundred ninety-nine million, four hundred fifty-one thousand, four hundred eight".