4662724502478 has 128 divisors (see below), whose sum is σ = 11667676078080. Its totient is φ = 1212530497920.

The previous prime is 4662724502411. The next prime is 4662724502479. The reversal of 4662724502478 is 8742054272664.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4662724502479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 979351 + ... + 3206957.

It is an arithmetic number, because the mean of its divisors is an integer number (91153719360).

Almost surely, 2^{4662724502478} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4662724502478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5833838039040).

4662724502478 is an abundant number, since it is smaller than the sum of its proper divisors (7004951575602).

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

4662724502478 is a wasteful number, since it uses less digits than its factorization.

4662724502478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227742.

The product of its (nonzero) digits is 36126720, while the sum is 57.

The spelling of 4662724502478 in words is "four trillion, six hundred sixty-two billion, seven hundred twenty-four million, five hundred two thousand, four hundred seventy-eight".