427125400 has 48 divisors (see below), whose sum is σ = 1069462800. Its totient is φ = 157706880.

The previous prime is 427125389. The next prime is 427125403. The reversal of 427125400 is 4521724.

It is a super-2 number, since 2×427125400² = 364872214650320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427125403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79540 + ... + 84739.

It is an arithmetic number, because the mean of its divisors is an integer number (22280475).

Almost surely, 2^427125400 is an apocalyptic number.

427125400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427125400 is an abundant number, since it is smaller than the sum of its proper divisors (642337400).

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

427125400 is a wasteful number, since it uses less digits than its factorization.

427125400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164308 (or 164299 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 427125400 is about 20667.0123627001. The cubic root of 427125400 is about 753.0985293406.

The spelling of 427125400 in words is "four hundred twenty-seven million, one hundred twenty-five thousand, four hundred".