1955495000 has 80 divisors (see below), whose sum is σ = 4693966200. Its totient is φ = 763040000.

The previous prime is 1955494999. The next prime is 1955495011. The reversal of 1955495000 is 5945591.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 200231 + ... + 209769.

Almost surely, 2^1955495000 is an apocalyptic number.

1955495000 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 1955495000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346983100).

1955495000 is an abundant number, since it is smaller than the sum of its proper divisors (2738471200).

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

1955495000 is an equidigital number, since it uses as much as digits as its factorization.

1955495000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606 (or 9587 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 1955495000 is about 44220.9791840932. The cubic root of 1955495000 is about 1250.5053956327.

The spelling of 1955495000 in words is "one billion, nine hundred fifty-five million, four hundred ninety-five thousand".