2481373440 has 720 divisors, whose sum is σ = 10969314048. Its totient is φ = 521551872.

The previous prime is 2481373421. The next prime is 2481373459. The reversal of 2481373440 is 443731842.

2481373440 is a `hidden beast` number, since 248 + 1 + 373 + 4 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (2481373421) and next prime (2481373459).

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2481373395 and 2481373404.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9434749 + ... + 9435011.

Almost surely, 2^2481373440 is an apocalyptic number.

2481373440 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 2481373440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5484657024).

2481373440 is an abundant number, since it is smaller than the sum of its proper divisors (8487940608).

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

2481373440 is a wasteful number, since it uses less digits than its factorization.

2481373440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 2481373440 is about 49813.3861527200. The cubic root of 2481373440 is about 1353.8297180671.

The spelling of 2481373440 in words is "two billion, four hundred eighty-one million, three hundred seventy-three thousand, four hundred forty".