4542078464 has 80 divisors (see below), whose sum is σ = 11314740096. Its totient is φ = 1769625600.

The previous prime is 4542078461. The next prime is 4542078487. The reversal of 4542078464 is 4648702454.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542078461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18182 + ... + 97029.

Almost surely, 2^4542078464 is an apocalyptic number.

4542078464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4542078464 is an abundant number, since it is smaller than the sum of its proper divisors (6772661632).

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

4542078464 is a wasteful number, since it uses less digits than its factorization.

4542078464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115247 (or 115231 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 44.

The square root of 4542078464 is about 67394.9439053109. The cubic root of 4542078464 is about 1656.0935947163.

The spelling of 4542078464 in words is "four billion, five hundred forty-two million, seventy-eight thousand, four hundred sixty-four".