1672200040 has 64 divisors (see below), whose sum is σ = 4319049600. Its totient is φ = 570778368.

The previous prime is 1672200011. The next prime is 1672200083. The reversal of 1672200040 is 400022761.

It is a junction number, because it is equal to n+sod(n) for n = 1672199984 and 1672200020.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 50406 + ... + 76714.

It is an arithmetic number, because the mean of its divisors is an integer number (67485150).

Almost surely, 2^1672200040 is an apocalyptic number.

1672200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672200040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159524800).

1672200040 is an abundant number, since it is smaller than the sum of its proper divisors (2646849560).

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

1672200040 is a wasteful number, since it uses less digits than its factorization.

1672200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26554 (or 26550 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1672200040 is about 40892.5425964197. The cubic root of 1672200040 is about 1186.9417599965.

The spelling of 1672200040 in words is "one billion, six hundred seventy-two million, two hundred thousand, forty".