1950545000 has 40 divisors (see below), whose sum is σ = 4570138650. Its totient is φ = 780216000.

The previous prime is 1950544987. The next prime is 1950545011. The reversal of 1950545000 is 5450591.

It can be written as a sum of positive squares in 5 ways, for example, as 126742564 + 1823802436 = 11258^2 + 42706^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 190055 + ... + 200054.

Almost surely, 2^1950545000 is an apocalyptic number.

1950545000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1950545000 is an abundant number, since it is smaller than the sum of its proper divisors (2619593650).

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

1950545000 is an equidigital number, since it uses as much as digits as its factorization.

1950545000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390135 (or 390116 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1950545000 is about 44164.9748103630. The cubic root of 1950545000 is about 1249.4493574699.

Adding to 1950545000 its reverse (5450591), we get a palindrome (1955995591).

The spelling of 1950545000 in words is "one billion, nine hundred fifty million, five hundred forty-five thousand".