4400142031 has 4 divisors (see below), whose sum is σ = 4425576552. Its totient is φ = 4374707512.

The previous prime is 4400142013. The next prime is 4400142053. The reversal of 4400142031 is 1302410044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4400142031 - 2⁷ = 4400141903 is a prime.

It is a super-2 number, since 2×4400142031² = 38722499785945609922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400148031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12717001 + ... + 12717346.

It is an arithmetic number, because the mean of its divisors is an integer number (1106394138).

Almost surely, 2^4400142031 is an apocalyptic number.

4400142031 is a deficient number, since it is larger than the sum of its proper divisors (25434521).

4400142031 is a wasteful number, since it uses less digits than its factorization.

4400142031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25434520.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4400142031 is about 66333.5663974130. The cubic root of 4400142031 is about 1638.6601726812.

Adding to 4400142031 its reverse (1302410044), we get a palindrome (5702552075).

The spelling of 4400142031 in words is "four billion, four hundred million, one hundred forty-two thousand, thirty-one".