94442428964520 has 288 divisors, whose sum is σ = 384515604574920. Its totient is φ = 19926314634240.

The previous prime is 94442428964431. The next prime is 94442428964539. The reversal of 94442428964520 is 2546982424449.

It is a happy number.

94442428964520 is a `hidden beast` number, since 9 + 4 + 4 + 4 + 2 + 42 + 8 + 9 + 64 + 520 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 84199599969156 + 10242828995364 = 9176034^2 + 3200442^2 .

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 71 ways as a sum of consecutive naturals, for example, 205689111 + ... + 206147750.

Almost surely, 2^{94442428964520} is an apocalyptic number.

94442428964520 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

94442428964520 is an abundant number, since it is smaller than the sum of its proper divisors (290073175610400).

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

94442428964520 is a wasteful number, since it uses less digits than its factorization.

94442428964520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411836905 (or 411836891 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 63.

The spelling of 94442428964520 in words is "ninety-four trillion, four hundred forty-two billion, four hundred twenty-eight million, nine hundred sixty-four thousand, five hundred twenty".