840574652 has 36 divisors (see below), whose sum is σ = 1564038840. Its totient is φ = 395141472.

The previous prime is 840574589. The next prime is 840574667. The reversal of 840574652 is 256475048.

It is a super-2 number, since 2×840574652² = 1413131491169842208, which contains 22 as substring.

It is a congruent number.

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, 121478 + ... + 128210.

Almost surely, 2^840574652 is an apocalyptic number.

It is an amenable number.

840574652 is a deficient number, since it is larger than the sum of its proper divisors (723464188).

840574652 is a wasteful number, since it uses less digits than its factorization.

840574652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842 (or 6817 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 840574652 is about 28992.6654862915. The cubic root of 840574652 is about 943.7539083095.

The spelling of 840574652 in words is "eight hundred forty million, five hundred seventy-four thousand, six hundred fifty-two".