30854621790 has 32 divisors (see below), whose sum is σ = 82278992160. Its totient is φ = 8227899072.

The previous prime is 30854621779. The next prime is 30854621821. The reversal of 30854621790 is 9712645803.

30854621790 is a `hidden beast` number, since 3 + 0 + 8 + 546 + 2 + 17 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57137919 + ... + 57138458.

It is an arithmetic number, because the mean of its divisors is an integer number (2571218505).

It is a 2-persistent number, because it is pandigital, and so is 2⋅30854621790 = 61709243580, but 3⋅30854621790 = 92563865370 is not.

Almost surely, 2^30854621790 is an apocalyptic number.

30854621790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30854621790 is an abundant number, since it is smaller than the sum of its proper divisors (51424370370).

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

30854621790 is a wasteful number, since it uses less digits than its factorization.

30854621790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114276393 (or 114276387 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 30854621790 in words is "thirty billion, eight hundred fifty-four million, six hundred twenty-one thousand, seven hundred ninety".