7464548540778 has 96 divisors (see below), whose sum is σ = 18418360379904. Its totient is φ = 2003965867008.

The previous prime is 7464548540777. The next prime is 7464548540821. The reversal of 7464548540778 is 8770458454647.

It is not an unprimeable number, because it can be changed into a prime (7464548540777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1803550 + ... + 4264022.

It is an arithmetic number, because the mean of its divisors is an integer number (191857920624).

Almost surely, 2^{7464548540778} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7464548540778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9209180189952).

7464548540778 is an abundant number, since it is smaller than the sum of its proper divisors (10953811839126).

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

7464548540778 is a wasteful number, since it uses less digits than its factorization.

7464548540778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461116 (or 2461109 counting only the distinct ones).

The product of its (nonzero) digits is 842956800, while the sum is 69.

The spelling of 7464548540778 in words is "seven trillion, four hundred sixty-four billion, five hundred forty-eight million, five hundred forty thousand, seven hundred seventy-eight".