427153280 has 32 divisors (see below), whose sum is σ = 1021164840. Its totient is φ = 170861056.

The previous prime is 427153277. The next prime is 427153283. The reversal of 427153280 is 82351724.

It is an interprime number because it is at equal distance from previous prime (427153277) and next prime (427153283).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×427153280² = 364919849229516800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427153283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333074 + ... + 334353.

Almost surely, 2^427153280 is an apocalyptic number.

427153280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427153280 is an abundant number, since it is smaller than the sum of its proper divisors (594011560).

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

427153280 is an equidigital number, since it uses as much as digits as its factorization.

427153280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667446 (or 667434 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 427153280 is about 20667.6868565401. The cubic root of 427153280 is about 753.1149147941.

The spelling of 427153280 in words is "four hundred twenty-seven million, one hundred fifty-three thousand, two hundred eighty".