2522054744640 has 336 divisors, whose sum is σ = 8836441651440. Its totient is φ = 660128071680.

The previous prime is 2522054744597. The next prime is 2522054744647. The reversal of 2522054744640 is 464474502252.

2522054744640 is a `hidden beast` number, since 2 + 5 + 2 + 2 + 0 + 547 + 44 + 64 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 764351529984 + 1757703214656 = 874272^2 + 1325784^2 .

It is a super-2 number, since 2×2522054744640² (a number of 26 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2522054744647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35079930 + ... + 35151750.

Almost surely, 2^{2522054744640} is an apocalyptic number.

2522054744640 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 2522054744640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4418220825720).

2522054744640 is an abundant number, since it is smaller than the sum of its proper divisors (6314386906800).

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

2522054744640 is a wasteful number, since it uses less digits than its factorization.

2522054744640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72070 (or 72057 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 45.

The spelling of 2522054744640 in words is "two trillion, five hundred twenty-two billion, fifty-four million, seven hundred forty-four thousand, six hundred forty".