407073700340 has 24 divisors (see below), whose sum is σ = 855069241320. Its totient is φ = 162788628608.

The previous prime is 407073700339. The next prime is 407073700361. The reversal of 407073700340 is 43007370704.

It can be written as a sum of positive squares in 4 ways, for example, as 1666435684 + 405407264656 = 40822^2 + 636716^2 .

It is a super-2 number, since 2×407073700340² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 407073700340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2471447 + ... + 2631006.

It is an arithmetic number, because the mean of its divisors is an integer number (35627885055).

Almost surely, 2^407073700340 is an apocalyptic number.

It is an amenable number.

407073700340 is an abundant number, since it is smaller than the sum of its proper divisors (447995540980).

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

407073700340 is a wasteful number, since it uses less digits than its factorization.

407073700340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106451 (or 5106449 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 35.

The spelling of 407073700340 in words is "four hundred seven billion, seventy-three million, seven hundred thousand, three hundred forty".