427650520 has 32 divisors (see below), whose sum is σ = 1049688720. Its totient is φ = 155509120.

The previous prime is 427650479. The next prime is 427650527. The reversal of 427650520 is 25056724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427650527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485527 + ... + 486406.

Almost surely, 2^427650520 is an apocalyptic number.

427650520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427650520 is an abundant number, since it is smaller than the sum of its proper divisors (622038200).

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

427650520 is a wasteful number, since it uses less digits than its factorization.

427650520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971955 (or 971951 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 427650520 is about 20679.7127639627. The cubic root of 427650520 is about 753.4070297983.

The spelling of 427650520 in words is "four hundred twenty-seven million, six hundred fifty thousand, five hundred twenty".