1950343920 has 800 divisors, whose sum is σ = 8527073280. Its totient is φ = 403107840.

The previous prime is 1950343907. The next prime is 1950343933. The reversal of 1950343920 is 293430591.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1950343907) and next prime (1950343933).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 26717004 + ... + 26717076.

Almost surely, 2^1950343920 is an apocalyptic number.

1950343920 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 1950343920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4263536640).

1950343920 is an abundant number, since it is smaller than the sum of its proper divisors (6576729360).

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

1950343920 is a wasteful number, since it uses less digits than its factorization.

1950343920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 1950343920 is about 44162.6982871292. The cubic root of 1950343920 is about 1249.4064211092.

The spelling of 1950343920 in words is "one billion, nine hundred fifty million, three hundred forty-three thousand, nine hundred twenty".