427440699 has 16 divisors (see below), whose sum is σ = 723709440. Its totient is φ = 244251720.

The previous prime is 427440697. The next prime is 427440709. The reversal of 427440699 is 996044724.

It is not a de Polignac number, because 427440699 - 2¹ = 427440697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427440697) by changing a digit.

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, 1130607 + ... + 1130984.

It is an arithmetic number, because the mean of its divisors is an integer number (45231840).

Almost surely, 2^427440699 is an apocalyptic number.

427440699 is a deficient number, since it is larger than the sum of its proper divisors (296268741).

427440699 is a wasteful number, since it uses less digits than its factorization.

427440699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261607 (or 2261601 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 427440699 is about 20674.6390294970. The cubic root of 427440699 is about 753.2837932851.

The spelling of 427440699 in words is "four hundred twenty-seven million, four hundred forty thousand, six hundred ninety-nine".