406140744 has 32 divisors (see below), whose sum is σ = 1075079520. Its totient is φ = 127416576.

The previous prime is 406140733. The next prime is 406140767. The reversal of 406140744 is 447041604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497314 + ... + 498129.

It is an arithmetic number, because the mean of its divisors is an integer number (33596235).

Almost surely, 2^406140744 is an apocalyptic number.

It is an amenable number.

406140744 is an abundant number, since it is smaller than the sum of its proper divisors (668938776).

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

406140744 is a wasteful number, since it uses less digits than its factorization.

406140744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995469 (or 995465 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 406140744 is about 20152.9338807033. The cubic root of 406140744 is about 740.5576172063.

The spelling of 406140744 in words is "four hundred six million, one hundred forty thousand, seven hundred forty-four".