2528423278 has 8 divisors (see below), whose sum is σ = 3792855168. Its totient is φ = 1264138224.

The previous prime is 2528423269. The next prime is 2528423279. The reversal of 2528423278 is 8723248252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528423279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32250 + ... + 78082.

It is an arithmetic number, because the mean of its divisors is an integer number (474106896).

Almost surely, 2^2528423278 is an apocalyptic number.

2528423278 is a deficient number, since it is larger than the sum of its proper divisors (1264431890).

2528423278 is a wasteful number, since it uses less digits than its factorization.

2528423278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73418.

The product of its digits is 430080, while the sum is 43.

The square root of 2528423278 is about 50283.4294574266. The cubic root of 2528423278 is about 1362.3329475408.

The spelling of 2528423278 in words is "two billion, five hundred twenty-eight million, four hundred twenty-three thousand, two hundred seventy-eight".