246716663040 has 216 divisors, whose sum is σ = 876686116488. Its totient is φ = 64012861440.

The previous prime is 246716663033. The next prime is 246716663057. The reversal of 246716663040 is 40366617642.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68862157056 + 177854505984 = 262416^2 + 421728^2 .

It is a super-2 number, since 2×246716663040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136830 + ... + 715650.

Almost surely, 2^246716663040 is an apocalyptic number.

246716663040 is a gapful number since it is divisible by the number (20) 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 246716663040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438343058244).

246716663040 is an abundant number, since it is smaller than the sum of its proper divisors (629969453448).

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

246716663040 is a wasteful number, since it uses less digits than its factorization.

246716663040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578885 (or 578868 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 246716663040 in words is "two hundred forty-six billion, seven hundred sixteen million, six hundred sixty-three thousand, forty".