1995547344 has 240 divisors, whose sum is σ = 6433123968. Its totient is φ = 530095104.

The previous prime is 1995547277. The next prime is 1995547399. The reversal of 1995547344 is 4437455991.

It is a happy number.

1995547344 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2001054 + ... + 2002050.

Almost surely, 2^1995547344 is an apocalyptic number.

1995547344 is a gapful number since it is divisible by the number (14) 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 1995547344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3216561984).

1995547344 is an abundant number, since it is smaller than the sum of its proper divisors (4437576624).

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

1995547344 is a wasteful number, since it uses less digits than its factorization.

1995547344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1069 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The square root of 1995547344 is about 44671.5496037467. The cubic root of 1995547344 is about 1258.9853559934.

The spelling of 1995547344 in words is "one billion, nine hundred ninety-five million, five hundred forty-seven thousand, three hundred forty-four".