514431390 has 128 divisors (see below), whose sum is σ = 1441110528. Its totient is φ = 116142080.

The previous prime is 514431389. The next prime is 514431413. The reversal of 514431390 is 93134415.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 599842 + ... + 600698.

It is an arithmetic number, because the mean of its divisors is an integer number (11258676).

Almost surely, 2^514431390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514431390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720555264).

514431390 is an abundant number, since it is smaller than the sum of its proper divisors (926679138).

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

514431390 is a wasteful number, since it uses less digits than its factorization.

514431390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 514431390 is about 22681.0800007407. The cubic root of 514431390 is about 801.2643496805.

The spelling of 514431390 in words is "five hundred fourteen million, four hundred thirty-one thousand, three hundred ninety".