4623078390 has 128 divisors (see below), whose sum is σ = 13145407488. Its totient is φ = 1018638720.

The previous prime is 4623078377. The next prime is 4623078401. The reversal of 4623078390 is 938703264.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 657795 + ... + 664785.

It is an arithmetic number, because the mean of its divisors is an integer number (102698496).

Almost surely, 2^4623078390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4623078390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6572703744).

4623078390 is an abundant number, since it is smaller than the sum of its proper divisors (8522329098).

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

4623078390 is a wasteful number, since it uses less digits than its factorization.

4623078390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 4623078390 is about 67993.2231181902. The cubic root of 4623078390 is about 1665.8801468014.

The spelling of 4623078390 in words is "four billion, six hundred twenty-three million, seventy-eight thousand, three hundred ninety".