2451480 has 64 divisors (see below), whose sum is σ = 7603200. Its totient is φ = 631680.

The previous prime is 2451469. The next prime is 2451487. The reversal of 2451480 is 841542.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2451480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3391 + ... + 4049.

It is an arithmetic number, because the mean of its divisors is an integer number (118800).

2^2451480 is an apocalyptic number.

2451480 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 2451480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3801600).

2451480 is an abundant number, since it is smaller than the sum of its proper divisors (5151720).

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

2451480 is a wasteful number, since it uses less digits than its factorization.

2451480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2451480 is about 1565.7202815318. The cubic root of 2451480 is about 134.8371149345.

The spelling of 2451480 in words is "two million, four hundred fifty-one thousand, four hundred eighty".