201436515450 has 72 divisors (see below), whose sum is σ = 542542865436. Its totient is φ = 53582400000.

The previous prime is 201436515437. The next prime is 201436515493. The reversal of 201436515450 is 54515634102.

201436515450 is a `hidden beast` number, since 2 + 0 + 143 + 65 + 1 + 5 + 450 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 154196797041 + 47239718409 = 392679^2 + 217347^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 377701 + ... + 738600.

Almost surely, 2^201436515450 is an apocalyptic number.

201436515450 is an abundant number, since it is smaller than the sum of its proper divisors (341106349986).

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

201436515450 is a wasteful number, since it uses less digits than its factorization.

201436515450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116720 (or 1116712 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 201436515450 in words is "two hundred one billion, four hundred thirty-six million, five hundred fifteen thousand, four hundred fifty".