1964620350 has 432 divisors, whose sum is σ = 6915093120. Its totient is φ = 388368000.

The previous prime is 1964620303. The next prime is 1964620439. The reversal of 1964620350 is 530264691.

It is a happy number.

1964620350 is a `hidden beast` number, since 1 + 9 + 646 + 2 + 0 + 3 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 33298621 + ... + 33298679.

It is an arithmetic number, because the mean of its divisors is an integer number (16007160).

Almost surely, 2^1964620350 is an apocalyptic number.

1964620350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1964620350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3457546560).

1964620350 is an abundant number, since it is smaller than the sum of its proper divisors (4950472770).

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

1964620350 is a wasteful number, since it uses less digits than its factorization.

1964620350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1964620350 is about 44324.0380606280. The cubic root of 1964620350 is about 1252.4475458210.

The spelling of 1964620350 in words is "one billion, nine hundred sixty-four million, six hundred twenty thousand, three hundred fifty".