200704040 has 32 divisors (see below), whose sum is σ = 478149480. Its totient is φ = 75558912.

The previous prime is 200704033. The next prime is 200704067. The reversal of 200704040 is 40407002.

200704040 = 3428² + 3429² + ... + 3444².

It can be written as a sum of positive squares in 4 ways, for example, as 195049156 + 5654884 = 13966^2 + 2378^2 .

It is a super-2 number, since 2×200704040² = 80564223344643200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 146897 + ... + 148256.

Almost surely, 2^200704040 is an apocalyptic number.

200704040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200704040 is an abundant number, since it is smaller than the sum of its proper divisors (277445440).

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

200704040 is a wasteful number, since it uses less digits than its factorization.

200704040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295181 (or 295177 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 200704040 is about 14167.0053292854. The cubic root of 200704040 is about 585.4889524994.

It can be divided in two parts, 2007040 and 40, that multiplied together give a square (80281600 = 8960²).

The spelling of 200704040 in words is "two hundred million, seven hundred four thousand, forty".