2497446720 has 336 divisors, whose sum is σ = 9214957440. Its totient is φ = 619204608.

The previous prime is 2497446713. The next prime is 2497446733. The reversal of 2497446720 is 276447942.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2450371 + ... + 2451389.

Almost surely, 2^2497446720 is an apocalyptic number.

2497446720 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 2497446720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4607478720).

2497446720 is an abundant number, since it is smaller than the sum of its proper divisors (6717510720).

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

2497446720 is a wasteful number, since it uses less digits than its factorization.

2497446720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 2497446720 is about 49974.4606774300. The cubic root of 2497446720 is about 1356.7466063635.

The spelling of 2497446720 in words is "two billion, four hundred ninety-seven million, four hundred forty-six thousand, seven hundred twenty".