406049770 has 24 divisors (see below), whose sum is σ = 850219524. Its totient is φ = 139216896.

The previous prime is 406049723. The next prime is 406049807. The reversal of 406049770 is 77940604.

It can be written as a sum of positive squares in 2 ways, for example, as 375700689 + 30349081 = 19383^2 + 5509^2 .

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, 413847 + ... + 414826.

Almost surely, 2^406049770 is an apocalyptic number.

406049770 is an abundant number, since it is smaller than the sum of its proper divisors (444169754).

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

406049770 is a wasteful number, since it uses less digits than its factorization.

406049770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828694 (or 828687 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 406049770 is about 20150.6766635763. The cubic root of 406049770 is about 740.5023190364.

The spelling of 406049770 in words is "four hundred six million, forty-nine thousand, seven hundred seventy".