4000440437 has 8 divisors (see below), whose sum is σ = 4607932416. Its totient is φ = 3401948592.

The previous prime is 4000440427. The next prime is 4000440449. The reversal of 4000440437 is 7340440004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4000440437 - 2⁸ = 4000440181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000440427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2249078 + ... + 2250855.

It is an arithmetic number, because the mean of its divisors is an integer number (575991552).

Almost surely, 2^4000440437 is an apocalyptic number.

It is an amenable number.

4000440437 is a deficient number, since it is larger than the sum of its proper divisors (607491979).

4000440437 is a wasteful number, since it uses less digits than its factorization.

4000440437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500067.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 4000440437 is about 63249.0350677384. The cubic root of 4000440437 is about 1587.4593123430.

The spelling of 4000440437 in words is "four billion, four hundred forty thousand, four hundred thirty-seven".