424143140 has 24 divisors (see below), whose sum is σ = 902905080. Its totient is φ = 167332608.

The previous prime is 424143119. The next prime is 424143151. The reversal of 424143140 is 41341424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 104734756 + 319408384 = 10234^2 + 17872^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143795 + ... + 146714.

It is an arithmetic number, because the mean of its divisors is an integer number (37621045).

Almost surely, 2^424143140 is an apocalyptic number.

It is an amenable number.

424143140 is an abundant number, since it is smaller than the sum of its proper divisors (478761940).

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

424143140 is a wasteful number, since it uses less digits than its factorization.

424143140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290591 (or 290589 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 424143140 is about 20594.7357351339. The cubic root of 424143140 is about 751.3416813865.

Adding to 424143140 its reverse (41341424), we get a palindrome (465484564).

It can be divided in two parts, 42414 and 3140, that added together give a palindrome (45554).

The spelling of 424143140 in words is "four hundred twenty-four million, one hundred forty-three thousand, one hundred forty".