427650190 has 32 divisors (see below), whose sum is σ = 840645216. Its totient is φ = 155343360.

The previous prime is 427650169. The next prime is 427650229. The reversal of 427650190 is 91056724.

It is a super-2 number, since 2×427650190² = 365769370014072200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156274 + ... + 158986.

It is an arithmetic number, because the mean of its divisors is an integer number (26270163).

Almost surely, 2^427650190 is an apocalyptic number.

427650190 is a deficient number, since it is larger than the sum of its proper divisors (412995026).

427650190 is a wasteful number, since it uses less digits than its factorization.

427650190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 427650190 is about 20679.7047851269. The cubic root of 427650190 is about 753.4068360073.

The spelling of 427650190 in words is "four hundred twenty-seven million, six hundred fifty thousand, one hundred ninety".