2153040532240 has 40 divisors (see below), whose sum is σ = 5390882258328. Its totient is φ = 794968811520.

The previous prime is 2153040532199. The next prime is 2153040532261. The reversal of 2153040532240 is 422350403512.

It can be written as a sum of positive squares in 4 ways, for example, as 37400465664 + 2115640066576 = 193392^2 + 1454524^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035114601 + ... + 1035116680.

Almost surely, 2^{2153040532240} is an apocalyptic number.

2153040532240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153040532240 is an abundant number, since it is smaller than the sum of its proper divisors (3237841726088).

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

2153040532240 is a wasteful number, since it uses less digits than its factorization.

2153040532240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070231307 (or 2070231301 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 2153040532240 its reverse (422350403512), we get a palindrome (2575390935752).

The spelling of 2153040532240 in words is "two trillion, one hundred fifty-three billion, forty million, five hundred thirty-two thousand, two hundred forty".