3140042456 has 8 divisors (see below), whose sum is σ = 5887579620. Its totient is φ = 1570021224.

The previous prime is 3140042453. The next prime is 3140042473. The reversal of 3140042456 is 6542400413.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140042453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196252646 + ... + 196252661.

Almost surely, 2^3140042456 is an apocalyptic number.

It is an amenable number.

3140042456 is a deficient number, since it is larger than the sum of its proper divisors (2747537164).

3140042456 is a wasteful number, since it uses less digits than its factorization.

3140042456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392505313 (or 392505309 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 3140042456 is about 56036.0817331119. The cubic root of 3140042456 is about 1464.3509502827.

Adding to 3140042456 its reverse (6542400413), we get a palindrome (9682442869).

The spelling of 3140042456 in words is "three billion, one hundred forty million, forty-two thousand, four hundred fifty-six".