16425286194240 has 1120 divisors, whose sum is σ = 72914687011584. Its totient is φ = 3409774755840.

The previous prime is 16425286194181. The next prime is 16425286194241. The reversal of 16425286194240 is 4249168252461.

16425286194240 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 528 + 6 + 1 + 94 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a super-2 number, since 2×16425286194240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16425286194241) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2468850754 + ... + 2468857406.

Almost surely, 2^{16425286194240} is an apocalyptic number.

16425286194240 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 16425286194240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36457343505792).

16425286194240 is an abundant number, since it is smaller than the sum of its proper divisors (56489400817344).

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

16425286194240 is a wasteful number, since it uses less digits than its factorization.

16425286194240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7937 (or 7918 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 16425286194240 in words is "sixteen trillion, four hundred twenty-five billion, two hundred eighty-six million, one hundred ninety-four thousand, two hundred forty".