2563454280 has 32 divisors (see below), whose sum is σ = 7690363200. Its totient is φ = 683587776.

The previous prime is 2563454249. The next prime is 2563454281. The reversal of 2563454280 is 824543652.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2563454281) 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, 10680940 + ... + 10681179.

It is an arithmetic number, because the mean of its divisors is an integer number (240323850).

Almost surely, 2^2563454280 is an apocalyptic number.

2563454280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2563454280 is an abundant number, since it is smaller than the sum of its proper divisors (5126908920).

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

2563454280 is a wasteful number, since it uses less digits than its factorization.

2563454280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21362133 (or 21362129 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The square root of 2563454280 is about 50630.5666569119. The cubic root of 2563454280 is about 1368.5957657783.

The spelling of 2563454280 in words is "two billion, five hundred sixty-three million, four hundred fifty-four thousand, two hundred eighty".