407247044 has 12 divisors (see below), whose sum is σ = 712825344. Its totient is φ = 203582664.

The previous prime is 407247037. The next prime is 407247077. The reversal of 407247044 is 440742704.

It is a self number, because there is not a number n which added to its sum of digits gives 407247044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28589 + ... + 40395.

It is an arithmetic number, because the mean of its divisors is an integer number (59402112).

Almost surely, 2^407247044 is an apocalyptic number.

It is an amenable number.

407247044 is a deficient number, since it is larger than the sum of its proper divisors (305578300).

407247044 is a wasteful number, since it uses less digits than its factorization.

407247044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20434 (or 20432 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 407247044 is about 20180.3628312278. The cubic root of 407247044 is about 741.2294172665.

Adding to 407247044 its reverse (440742704), we get a palindrome (847989748).

The spelling of 407247044 in words is "four hundred seven million, two hundred forty-seven thousand, forty-four".