407700241685 has 48 divisors (see below), whose sum is σ = 540914053680. Its totient is φ = 294774374400.

The previous prime is 407700241681. The next prime is 407700241693. The reversal of 407700241685 is 586142007704.

It can be written as a sum of positive squares in 8 ways, for example, as 38393659249 + 369306582436 = 195943^2 + 607706^2 .

It is not a de Polignac number, because 407700241685 - 2² = 407700241681 is a prime.

It is a super-4 number, since 4×407700241685⁴ (a number of 48 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407700241681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108400205 + ... + 108403965.

It is an arithmetic number, because the mean of its divisors is an integer number (11269042785).

Almost surely, 2^407700241685 is an apocalyptic number.

It is an amenable number.

407700241685 is a deficient number, since it is larger than the sum of its proper divisors (133213811995).

407700241685 is a wasteful number, since it uses less digits than its factorization.

407700241685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790 (or 4779 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 407700241685 in words is "four hundred seven billion, seven hundred million, two hundred forty-one thousand, six hundred eighty-five".