2478492263520 has 2304 divisors, whose sum is σ = 11583617310720. Its totient is φ = 485592662016.

The previous prime is 2478492263477. The next prime is 2478492263557. The reversal of 2478492263520 is 253622948742.

2478492263520 is a `hidden beast` number, since 2 + 4 + 7 + 8 + 4 + 92 + 26 + 3 + 520 = 666.

It is a super-2 number, since 2×2478492263520² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 5353114809 + ... + 5353115271.

It is an arithmetic number, because the mean of its divisors is an integer number (5027611680).

Almost surely, 2^{2478492263520} is an apocalyptic number.

2478492263520 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 2478492263520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5791808655360).

2478492263520 is an abundant number, since it is smaller than the sum of its proper divisors (9105125047200).

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

2478492263520 is a wasteful number, since it uses less digits than its factorization.

2478492263520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 2478492263520 in words is "two trillion, four hundred seventy-eight billion, four hundred ninety-two million, two hundred sixty-three thousand, five hundred twenty".