427700421390 has 32 divisors (see below), whose sum is σ = 1119797467776. Its totient is φ = 103684950560.

The previous prime is 427700421377. The next prime is 427700421409. The reversal of 427700421390 is 93124007724.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648030612 + ... + 648031271.

It is an arithmetic number, because the mean of its divisors is an integer number (34993670868).

Almost surely, 2^427700421390 is an apocalyptic number.

427700421390 is an abundant number, since it is smaller than the sum of its proper divisors (692097046386).

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

427700421390 is a wasteful number, since it uses less digits than its factorization.

427700421390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296061904.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 427700421390 in words is "four hundred twenty-seven billion, seven hundred million, four hundred twenty-one thousand, three hundred ninety".