30400870417 has 8 divisors (see below), whose sum is σ = 30710175912. Its totient is φ = 30091728000.

The previous prime is 30400870397. The next prime is 30400870421. The reversal of 30400870417 is 71407800403.

It can be written as a sum of positive squares in 4 ways, for example, as 8887021441 + 21513848976 = 94271^2 + 146676^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30400870417 - 2¹¹ = 30400868369 is a prime.

It is a super-2 number, since 2×30400870417² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30400870427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353203 + ... + 430759.

It is an arithmetic number, because the mean of its divisors is an integer number (3838771989).

Almost surely, 2^30400870417 is an apocalyptic number.

It is an amenable number.

30400870417 is a deficient number, since it is larger than the sum of its proper divisors (309305495).

30400870417 is a wasteful number, since it uses less digits than its factorization.

30400870417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81539.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 30400870417 in words is "thirty billion, four hundred million, eight hundred seventy thousand, four hundred seventeen".