2528578480 has 40 divisors (see below), whose sum is σ = 5900850000. Its totient is φ = 1007662848.

The previous prime is 2528578477. The next prime is 2528578489. The reversal of 2528578480 is 848758252.

2528578480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2528578480² = 12787418259038220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2528578489) 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, 37230 + ... + 80269.

It is an arithmetic number, because the mean of its divisors is an integer number (147521250).

Almost surely, 2^2528578480 is an apocalyptic number.

2528578480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2528578480 is an abundant number, since it is smaller than the sum of its proper divisors (3372271520).

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

2528578480 is a wasteful number, since it uses less digits than its factorization.

2528578480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117781 (or 117775 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 49.

The square root of 2528578480 is about 50284.9727055708. The cubic root of 2528578480 is about 1362.3608216279.

The spelling of 2528578480 in words is "two billion, five hundred twenty-eight million, five hundred seventy-eight thousand, four hundred eighty".