1494139046400 has 2880 divisors, whose sum is σ = 7507060767360. Its totient is φ = 286123622400.

The previous prime is 1494139046377. The next prime is 1494139046423. The reversal of 1494139046400 is 46409314941.

1494139046400 is a `hidden beast` number, since 1 + 4 + 94 + 13 + 90 + 464 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1494139046377) and next prime (1494139046423).

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2421618892 + ... + 2421619508.

It is an arithmetic number, because the mean of its divisors is an integer number (2606618322).

Almost surely, 2^{1494139046400} is an apocalyptic number.

1494139046400 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 1494139046400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3753530383680).

1494139046400 is an abundant number, since it is smaller than the sum of its proper divisors (6012921720960).

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

1494139046400 is a wasteful number, since it uses less digits than its factorization.

1494139046400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 1494139046400 in words is "one trillion, four hundred ninety-four billion, one hundred thirty-nine million, forty-six thousand, four hundred".