2504559428 has 24 divisors (see below), whose sum is σ = 5083885632. Its totient is φ = 1057361184.

The previous prime is 2504559427. The next prime is 2504559439. The reversal of 2504559428 is 8249554052.

It is a Smith number, since the sum of its digits (44) 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 (2504559427) 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, 665651 + ... + 669402.

It is an arithmetic number, because the mean of its divisors is an integer number (211828568).

Almost surely, 2^2504559428 is an apocalyptic number.

2504559428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2504559428 is an abundant number, since it is smaller than the sum of its proper divisors (2579326204).

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

2504559428 is a wasteful number, since it uses less digits than its factorization.

2504559428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335131 (or 1335129 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The square root of 2504559428 is about 50045.5735105514. The cubic root of 2504559428 is about 1358.0333866653.

The spelling of 2504559428 in words is "two billion, five hundred four million, five hundred fifty-nine thousand, four hundred twenty-eight".