1995860418 has 32 divisors (see below), whose sum is σ = 4240361664. Its totient is φ = 624102912.

The previous prime is 1995860411. The next prime is 1995860423. The reversal of 1995860418 is 8140685991.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1995860411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555 + ... + 63182.

It is an arithmetic number, because the mean of its divisors is an integer number (132511302).

Almost surely, 2^1995860418 is an apocalyptic number.

1995860418 is an abundant number, since it is smaller than the sum of its proper divisors (2244501246).

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

1995860418 is a wasteful number, since it uses less digits than its factorization.

1995860418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64066.

The product of its (nonzero) digits is 622080, while the sum is 51.

The square root of 1995860418 is about 44675.0536429449. The cubic root of 1995860418 is about 1259.0511917271.

The spelling of 1995860418 in words is "one billion, nine hundred ninety-five million, eight hundred sixty thousand, four hundred eighteen".