27433458420 has 24 divisors (see below), whose sum is σ = 76813683744. Its totient is φ = 7315588896.

The previous prime is 27433458407. The next prime is 27433458457. The reversal of 27433458420 is 2485433472.

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, 228612094 + ... + 228612213.

It is an arithmetic number, because the mean of its divisors is an integer number (3200570156).

Almost surely, 2^27433458420 is an apocalyptic number.

27433458420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27433458420 is an abundant number, since it is smaller than the sum of its proper divisors (49380225324).

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

27433458420 is a wasteful number, since it uses less digits than its factorization.

27433458420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457224319 (or 457224317 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 27433458420 in words is "twenty-seven billion, four hundred thirty-three million, four hundred fifty-eight thousand, four hundred twenty".