2153642040450 has 36 divisors (see below), whose sum is σ = 5786118283218. Its totient is φ = 574304544000.

The previous prime is 2153642040449. The next prime is 2153642040461. The reversal of 2153642040450 is 540402463512.

2153642040450 is a `hidden beast` number, since 2 + 1 + 5 + 3 + 642 + 0 + 4 + 0 + 4 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1026110246841 + 1127531793609 = 1012971^2 + 1061853^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2392935151 + ... + 2392936050.

Almost surely, 2^{2153642040450} is an apocalyptic number.

2153642040450 is an abundant number, since it is smaller than the sum of its proper divisors (3632476242768).

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

2153642040450 is a wasteful number, since it uses less digits than its factorization.

2153642040450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785871219 (or 4785871211 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 2153642040450 in words is "two trillion, one hundred fifty-three billion, six hundred forty-two million, forty thousand, four hundred fifty".