427390005090 has 16 divisors (see below), whose sum is σ = 1025736012288. Its totient is φ = 113970668016.

The previous prime is 427390005071. The next prime is 427390005101. The reversal of 427390005090 is 90500093724.

It is a Curzon 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, 7123166722 + ... + 7123166781.

It is an arithmetic number, because the mean of its divisors is an integer number (64108500768).

Almost surely, 2^427390005090 is an apocalyptic number.

427390005090 is an abundant number, since it is smaller than the sum of its proper divisors (598346007198).

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

427390005090 is a wasteful number, since it uses less digits than its factorization.

427390005090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14246333513.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 427390005090 in words is "four hundred twenty-seven billion, three hundred ninety million, five thousand, ninety".