200438554 has 8 divisors (see below), whose sum is σ = 301084020. Its totient is φ = 100077216.

The previous prime is 200438533. The next prime is 200438561. The reversal of 200438554 is 455834002.

It can be written as a sum of positive squares in 2 ways, for example, as 200364025 + 74529 = 14155^2 + 273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×200438554² = 80351227859221832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69259 + ... + 72094.

Almost surely, 2^200438554 is an apocalyptic number.

200438554 is a deficient number, since it is larger than the sum of its proper divisors (100645466).

200438554 is a wasteful number, since it uses less digits than its factorization.

200438554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142064.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 200438554 is about 14157.6323585549. The cubic root of 200438554 is about 585.2306821503.

The spelling of 200438554 in words is "two hundred million, four hundred thirty-eight thousand, five hundred fifty-four".