2598449040 has 240 divisors, whose sum is σ = 9642597120. Its totient is φ = 621803520.

The previous prime is 2598449033. The next prime is 2598449053. The reversal of 2598449040 is 409448952.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 623604 + ... + 627756.

It is an arithmetic number, because the mean of its divisors is an integer number (40177488).

Almost surely, 2^2598449040 is an apocalyptic number.

2598449040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2598449040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4821298560).

2598449040 is an abundant number, since it is smaller than the sum of its proper divisors (7044148080).

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

2598449040 is a wasteful number, since it uses less digits than its factorization.

2598449040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262 (or 4253 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2598449040 is about 50974.9844531609. The cubic root of 2598449040 is about 1374.7953925851.

The spelling of 2598449040 in words is "two billion, five hundred ninety-eight million, four hundred forty-nine thousand, forty".