94021461871520 has 48 divisors (see below), whose sum is σ = 229785210705960. Its totient is φ = 36311736996864.

The previous prime is 94021461871507. The next prime is 94021461871567. The reversal of 94021461871520 is 2517816412049.

It can be written as a sum of positive squares in 4 ways, for example, as 91900675482256 + 2120786389264 = 9586484^2 + 1456292^2 .

It is a super-2 number, since 2×94021461871520² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10131618407 + ... + 10131627686.

Almost surely, 2^{94021461871520} is an apocalyptic number.

It is an amenable number.

94021461871520 is an abundant number, since it is smaller than the sum of its proper divisors (135763748834440).

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

94021461871520 is a wasteful number, since it uses less digits than its factorization.

94021461871520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20263246137 (or 20263246129 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 94021461871520 in words is "ninety-four trillion, twenty-one billion, four hundred sixty-one million, eight hundred seventy-one thousand, five hundred twenty".