1950031528640 has 56 divisors (see below), whose sum is σ = 5000705863440. Its totient is φ = 720011639808.

The previous prime is 1950031528639. The next prime is 1950031528657. The reversal of 1950031528640 is 468251300591.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1950031528591 and 1950031528600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234374630 + ... + 234382949.

It is an arithmetic number, because the mean of its divisors is an integer number (89298318990).

Almost surely, 2^{1950031528640} is an apocalyptic number.

1950031528640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1950031528640 is an abundant number, since it is smaller than the sum of its proper divisors (3050674334800).

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

1950031528640 is a wasteful number, since it uses less digits than its factorization.

1950031528640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468757609 (or 468757599 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 1950031528640 in words is "one trillion, nine hundred fifty billion, thirty-one million, five hundred twenty-eight thousand, six hundred forty".