427147394490 has 64 divisors (see below), whose sum is σ = 1140444345600. Its totient is φ = 113767509312.

The previous prime is 427147394477. The next prime is 427147394543. The reversal of 427147394490 is 94493741724.

It is a happy number.

427147394490 is a `hidden beast` number, since 4 + 2 + 7 + 147 + 3 + 9 + 4 + 490 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738925 + ... + 1183344.

It is an arithmetic number, because the mean of its divisors is an integer number (17819442900).

Almost surely, 2^427147394490 is an apocalyptic number.

427147394490 is an abundant number, since it is smaller than the sum of its proper divisors (713296951110).

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

427147394490 is a wasteful number, since it uses less digits than its factorization.

427147394490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923108 (or 1923102 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 427147394490 in words is "four hundred twenty-seven billion, one hundred forty-seven million, three hundred ninety-four thousand, four hundred ninety".