514406840 has 32 divisors (see below), whose sum is σ = 1177038000. Its totient is φ = 202274304.

The previous prime is 514406821. The next prime is 514406863. The reversal of 514406840 is 48604415.

It is a super-2 number, since 2×514406840² = 529228794077571200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 514406797 and 514406806.

It is a congruent number.

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, 106625 + ... + 111344.

Almost surely, 2^514406840 is an apocalyptic number.

It is an amenable number.

514406840 is an abundant number, since it is smaller than the sum of its proper divisors (662631160).

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

514406840 is a wasteful number, since it uses less digits than its factorization.

514406840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218039 (or 218035 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 514406840 is about 22680.5387943056. The cubic root of 514406840 is about 801.2516033402.

The spelling of 514406840 in words is "five hundred fourteen million, four hundred six thousand, eight hundred forty".