4556161062400 has 120 divisors (see below), whose sum is σ = 11347351830144. Its totient is φ = 1812921753600.

The previous prime is 4556161062389. The next prime is 4556161062421. The reversal of 4556161062400 is 42601616554.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1512994 + ... + 3376606.

Almost surely, 2^{4556161062400} is an apocalyptic number.

4556161062400 is a gapful number since it is divisible by the number (40) 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 4556161062400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5673675915072).

4556161062400 is an abundant number, since it is smaller than the sum of its proper divisors (6791190767744).

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

4556161062400 is a wasteful number, since it uses less digits than its factorization.

4556161062400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863832 (or 1863811 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 4556161062400 its reverse (42601616554), we get a palindrome (4598762678954).

The spelling of 4556161062400 in words is "four trillion, five hundred fifty-six billion, one hundred sixty-one million, sixty-two thousand, four hundred".