2454666240 has 352 divisors, whose sum is σ = 8913784320. Its totient is φ = 571539456.

The previous prime is 2454666209. The next prime is 2454666241. The reversal of 2454666240 is 426664542.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454666241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3793597 + ... + 3794243.

Almost surely, 2^2454666240 is an apocalyptic number.

2454666240 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 2454666240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4456892160).

2454666240 is an abundant number, since it is smaller than the sum of its proper divisors (6459118080).

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

2454666240 is a wasteful number, since it uses less digits than its factorization.

2454666240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The square root of 2454666240 is about 49544.5884027711. The cubic root of 2454666240 is about 1348.9550652019.

The spelling of 2454666240 in words is "two billion, four hundred fifty-four million, six hundred sixty-six thousand, two hundred forty".