1995429030 has 32 divisors (see below), whose sum is σ = 5473177344. Its totient is φ = 456098016.

The previous prime is 1995429019. The next prime is 1995429047. The reversal of 1995429030 is 309245991.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4750812 + ... + 4751231.

It is an arithmetic number, because the mean of its divisors is an integer number (171036792).

Almost surely, 2^1995429030 is an apocalyptic number.

1995429030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1995429030 is an abundant number, since it is smaller than the sum of its proper divisors (3477748314).

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

1995429030 is a wasteful number, since it uses less digits than its factorization.

1995429030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9502060.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 1995429030 is about 44670.2253184378. The cubic root of 1995429030 is about 1258.9604741754.

It can be divided in two parts, 19954 and 29030, that added together give a palindrome (48984).

The spelling of 1995429030 in words is "one billion, nine hundred ninety-five million, four hundred twenty-nine thousand, thirty".