9444816374490 has 640 divisors, whose sum is σ = 30108457893888. Its totient is φ = 2079750919680.

The previous prime is 9444816374471. The next prime is 9444816374509. The reversal of 9444816374490 is 944736184449.

9444816374490 is a `hidden beast` number, since 9 + 4 + 4 + 4 + 81 + 63 + 7 + 4 + 490 = 666.

9444816374490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9444816374471) and next prime (9444816374509).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 5914098372 + ... + 5914099968.

Almost surely, 2^{9444816374490} is an apocalyptic number.

9444816374490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9444816374490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15054228946944).

9444816374490 is an abundant number, since it is smaller than the sum of its proper divisors (20663641519398).

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

9444816374490 is a wasteful number, since it uses less digits than its factorization.

9444816374490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 9444816374490 in words is "nine trillion, four hundred forty-four billion, eight hundred sixteen million, three hundred seventy-four thousand, four hundred ninety".