202136379450 has 24 divisors (see below), whose sum is σ = 501298221408. Its totient is φ = 53903034480.

The previous prime is 202136379373. The next prime is 202136379481. The reversal of 202136379450 is 54973631202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673787782 + ... + 673788081.

It is an arithmetic number, because the mean of its divisors is an integer number (20887425892).

Almost surely, 2^202136379450 is an apocalyptic number.

202136379450 is an abundant number, since it is smaller than the sum of its proper divisors (299161841958).

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

202136379450 is a wasteful number, since it uses less digits than its factorization.

202136379450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347575878 (or 1347575873 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 202136379450 in words is "two hundred two billion, one hundred thirty-six million, three hundred seventy-nine thousand, four hundred fifty".