440073131 has 8 divisors (see below), whose sum is σ = 455024304. Its totient is φ = 425322880.

The previous prime is 440073103. The next prime is 440073133. The reversal of 440073131 is 131370044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440073131 is a prime.

It is a super-2 number, since 2×440073131² = 387328721256286322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440073097 and 440073106.

It is not an unprimeable number, because it can be changed into a prime (440073133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45770 + ... + 54543.

It is an arithmetic number, because the mean of its divisors is an integer number (56878038).

Almost surely, 2^440073131 is an apocalyptic number.

440073131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

440073131 is a deficient number, since it is larger than the sum of its proper divisors (14951173).

440073131 is a wasteful number, since it uses less digits than its factorization.

440073131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100461.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 440073131 is about 20977.9200827918. The cubic root of 440073131 is about 760.6326282598.

The spelling of 440073131 in words is "four hundred forty million, seventy-three thousand, one hundred thirty-one".