1950513680 has 40 divisors (see below), whose sum is σ = 4549309272. Its totient is φ = 777734144.

The previous prime is 1950513673. The next prime is 1950513701. The reversal of 1950513680 is 863150591.

It can be written as a sum of positive squares in 4 ways, for example, as 27164944 + 1923348736 = 5212^2 + 43856^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13097 + ... + 63816.

Almost surely, 2^1950513680 is an apocalyptic number.

1950513680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1950513680 is an abundant number, since it is smaller than the sum of its proper divisors (2598795592).

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

1950513680 is a wasteful number, since it uses less digits than its factorization.

1950513680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77243 (or 77237 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 1950513680 is about 44164.6202293193. The cubic root of 1950513680 is about 1249.4426699435.

The spelling of 1950513680 in words is "one billion, nine hundred fifty million, five hundred thirteen thousand, six hundred eighty".