406745450 has 24 divisors (see below), whose sum is σ = 757099980. Its totient is φ = 162579200.

The previous prime is 406745441. The next prime is 406745489. The reversal of 406745450 is 54547604.

It can be written as a sum of positive squares in 6 ways, for example, as 186786889 + 219958561 = 13667^2 + 14831^2 .

It is a super-2 number, since 2×406745450² = 330883722191405000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 406745450.

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, 104540 + ... + 108360.

Almost surely, 2^406745450 is an apocalyptic number.

406745450 is a deficient number, since it is larger than the sum of its proper divisors (350354530).

406745450 is a wasteful number, since it uses less digits than its factorization.

406745450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962 (or 5957 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 406745450 is about 20167.9312275702. The cubic root of 406745450 is about 740.9249755427.

The spelling of 406745450 in words is "four hundred six million, seven hundred forty-five thousand, four hundred fifty".