2578328252830 has 32 divisors (see below), whose sum is σ = 5063025346560. Its totient is φ = 937550533920.

The previous prime is 2578328252779. The next prime is 2578328252839. The reversal of 2578328252830 is 382528238752.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578328252839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4494547 + ... + 5035633.

It is an arithmetic number, because the mean of its divisors is an integer number (158219542080).

Almost surely, 2^{2578328252830} is an apocalyptic number.

2578328252830 is a deficient number, since it is larger than the sum of its proper divisors (2484697093730).

2578328252830 is a wasteful number, since it uses less digits than its factorization.

2578328252830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584424.

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 2578328252830 in words is "two trillion, five hundred seventy-eight billion, three hundred twenty-eight million, two hundred fifty-two thousand, eight hundred thirty".