405013650 has 24 divisors (see below), whose sum is σ = 1004434224. Its totient is φ = 108003600.

The previous prime is 405013643. The next prime is 405013657. The reversal of 405013650 is 56310504.

It is an interprime number because it is at equal distance from previous prime (405013643) and next prime (405013657).

It is a self number, because there is not a number n which added to its sum of digits gives 405013650.

It is not an unprimeable number, because it can be changed into a prime (405013657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1349896 + ... + 1350195.

It is an arithmetic number, because the mean of its divisors is an integer number (41851426).

Almost surely, 2^405013650 is an apocalyptic number.

405013650 is an abundant number, since it is smaller than the sum of its proper divisors (599420574).

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

405013650 is a wasteful number, since it uses less digits than its factorization.

405013650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700106 (or 2700101 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 405013650 is about 20124.9509316172. The cubic root of 405013650 is about 739.8719342539.

The spelling of 405013650 in words is "four hundred five million, thirteen thousand, six hundred fifty".