199035040 has 24 divisors (see below), whose sum is σ = 470220660. Its totient is φ = 79613952.

The previous prime is 199035029. The next prime is 199035043. The reversal of 199035040 is 40530991.

It can be written as a sum of positive squares in 2 ways, for example, as 195664144 + 3370896 = 13988^2 + 1836^2 .

It is a super-2 number, since 2×199035040² = 79229894295603200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 199034993 and 199035011.

It is not an unprimeable number, because it can be changed into a prime (199035043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621825 + ... + 622144.

Almost surely, 2^199035040 is an apocalyptic number.

199035040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199035040 is an abundant number, since it is smaller than the sum of its proper divisors (271185620).

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

199035040 is a wasteful number, since it uses less digits than its factorization.

199035040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243984 (or 1243976 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 199035040 is about 14107.9778848707. The cubic root of 199035040 is about 583.8615109158.

The spelling of 199035040 in words is "one hundred ninety-nine million, thirty-five thousand, forty".