4167990440 has 16 divisors (see below), whose sum is σ = 9377978580. Its totient is φ = 1667196160.

The previous prime is 4167990433. The next prime is 4167990479. The reversal of 4167990440 is 440997614.

It can be written as a sum of positive squares in 2 ways, for example, as 3481236004 + 686754436 = 59002^2 + 26206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4167990391 and 4167990400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52099841 + ... + 52099920.

Almost surely, 2^4167990440 is an apocalyptic number.

4167990440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4167990440 is an abundant number, since it is smaller than the sum of its proper divisors (5209988140).

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

4167990440 is a wasteful number, since it uses less digits than its factorization.

4167990440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104199772 (or 104199768 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 4167990440 is about 64559.9755266372. The cubic root of 4167990440 is about 1609.3193681791.

The spelling of 4167990440 in words is "four billion, one hundred sixty-seven million, nine hundred ninety thousand, four hundred forty".