30890306240646 has 8 divisors (see below), whose sum is σ = 61780612481304. Its totient is φ = 10296768746880.

The previous prime is 30890306240579. The next prime is 30890306240663. The reversal of 30890306240646 is 64604260309803.

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

30890306240646 is an admirable number.

It is a super-2 number, since 2×30890306240646² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 2574192186715 + ... + 2574192186726.

It is an arithmetic number, because the mean of its divisors is an integer number (7722576560163).

Almost surely, 2^{30890306240646} is an apocalyptic number.

30890306240646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30890306240646 is a wasteful number, since it uses less digits than its factorization.

30890306240646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148384373446.

The product of its (nonzero) digits is 4478976, while the sum is 51.

The spelling of 30890306240646 in words is "thirty trillion, eight hundred ninety billion, three hundred six million, two hundred forty thousand, six hundred forty-six".