1494321408 has 216 divisors, whose sum is σ = 4549551552. Its totient is φ = 470790144.

The previous prime is 1494321407. The next prime is 1494321467. The reversal of 1494321408 is 8041234941.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1494321401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8637610 + ... + 8637782.

Almost surely, 2^1494321408 is an apocalyptic number.

1494321408 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 1494321408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274775776).

1494321408 is an abundant number, since it is smaller than the sum of its proper divisors (3055230144).

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

1494321408 is a wasteful number, since it uses less digits than its factorization.

1494321408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1494321408 is about 38656.4536397223. The cubic root of 1494321408 is about 1143.2678902628.

The spelling of 1494321408 in words is "one billion, four hundred ninety-four million, three hundred twenty-one thousand, four hundred eight".