405070000 has 50 divisors (see below), whose sum is σ = 980739188. Its totient is φ = 162024000.

The previous prime is 405069989. The next prime is 405070079. The reversal of 405070000 is 70504.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10254 + ... + 30253.

Almost surely, 2^405070000 is an apocalyptic number.

405070000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

405070000 is an abundant number, since it is smaller than the sum of its proper divisors (575669188).

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

405070000 is an equidigital number, since it uses as much as digits as its factorization.

405070000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40535 (or 40514 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 405070000 is about 20126.3508863380. The cubic root of 405070000 is about 739.9062457313.

The spelling of 405070000 in words is "four hundred five million, seventy thousand".