4494692420400 has 480 divisors, whose sum is σ = 18152841143808. Its totient is φ = 925199769600.

The previous prime is 4494692420389. The next prime is 4494692420417. The reversal of 4494692420400 is 40242964944.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 4494692420400.

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, 3975247 + ... + 4979153.

Almost surely, 2^{4494692420400} is an apocalyptic number.

4494692420400 is a gapful number since it is divisible by the number (40) 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 4494692420400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9076420571904).

4494692420400 is an abundant number, since it is smaller than the sum of its proper divisors (13658148723408).

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

4494692420400 is a wasteful number, since it uses less digits than its factorization.

4494692420400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003989 (or 1003978 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 4494692420400 in words is "four trillion, four hundred ninety-four billion, six hundred ninety-two million, four hundred twenty thousand, four hundred".