385234040 has 32 divisors (see below), whose sum is σ = 872311680. Its totient is φ = 153109632.

The previous prime is 385234009. The next prime is 385234079. The reversal of 385234040 is 40432583.

It is a junction number, because it is equal to n+sod(n) for n = 385233994 and 385234012.

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, 24392 + ... + 36951.

It is an arithmetic number, because the mean of its divisors is an integer number (27259740).

Almost surely, 2^385234040 is an apocalyptic number.

It is an amenable number.

385234040 is an abundant number, since it is smaller than the sum of its proper divisors (487077640).

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

385234040 is a wasteful number, since it uses less digits than its factorization.

385234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61511 (or 61507 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 385234040 is about 19627.3798557016. The cubic root of 385234040 is about 727.6260154951.

The spelling of 385234040 in words is "three hundred eighty-five million, two hundred thirty-four thousand, forty".