862860040 has 32 divisors (see below), whose sum is σ = 2218783680. Its totient is φ = 295837632.

The previous prime is 862860029. The next prime is 862860071. The reversal of 862860040 is 40068268.

It is a junction number, because it is equal to n+sod(n) for n = 862859978 and 862860005.

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, 1540542 + ... + 1541101.

It is an arithmetic number, because the mean of its divisors is an integer number (69336990).

Almost surely, 2^862860040 is an apocalyptic number.

It is an amenable number.

862860040 is an abundant number, since it is smaller than the sum of its proper divisors (1355923640).

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

862860040 is a wasteful number, since it uses less digits than its factorization.

862860040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081661 (or 3081657 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 862860040 is about 29374.4793996421. The cubic root of 862860040 is about 952.0215640197.

The spelling of 862860040 in words is "eight hundred sixty-two million, eight hundred sixty thousand, forty".