427461540 has 144 divisors (see below), whose sum is σ = 1331344896. Its totient is φ = 102389760.

The previous prime is 427461539. The next prime is 427461547. The reversal of 427461540 is 45164724.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (427461547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 703917 + ... + 704523.

Almost surely, 2^427461540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427461540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665672448).

427461540 is an abundant number, since it is smaller than the sum of its proper divisors (903883356).

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

427461540 is a wasteful number, since it uses less digits than its factorization.

427461540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 427461540 is about 20675.1430466635. The cubic root of 427461540 is about 753.2960358663.

The spelling of 427461540 in words is "four hundred twenty-seven million, four hundred sixty-one thousand, five hundred forty".