1355001630 has 64 divisors (see below), whose sum is σ = 3404353536. Its totient is φ = 344736000.

The previous prime is 1355001581. The next prime is 1355001631. The reversal of 1355001630 is 361005531.

It is a self number, because there is not a number n which added to its sum of digits gives 1355001630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355001631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55770 + ... + 76290.

It is an arithmetic number, because the mean of its divisors is an integer number (53193024).

Almost surely, 2^1355001630 is an apocalyptic number.

1355001630 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 1355001630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702176768).

1355001630 is an abundant number, since it is smaller than the sum of its proper divisors (2049351906).

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

1355001630 is a wasteful number, since it uses less digits than its factorization.

1355001630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20633.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1355001630 is about 36810.3467791326. The cubic root of 1355001630 is about 1106.5726683641.

The spelling of 1355001630 in words is "one billion, three hundred fifty-five million, one thousand, six hundred thirty".