1924135520 has 48 divisors (see below), whose sum is σ = 4548519360. Its totient is φ = 769188864.

The previous prime is 1924135519. The next prime is 1924135579. The reversal of 1924135520 is 255314291.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 404516 + ... + 409244.

It is an arithmetic number, because the mean of its divisors is an integer number (94760820).

Almost surely, 2^1924135520 is an apocalyptic number.

1924135520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1924135520 is an abundant number, since it is smaller than the sum of its proper divisors (2624383840).

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

1924135520 is a wasteful number, since it uses less digits than its factorization.

1924135520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7287 (or 7279 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1924135520 is about 43864.9691667508. The cubic root of 1924135520 is about 1243.7847251064.

The spelling of 1924135520 in words is "one billion, nine hundred twenty-four million, one hundred thirty-five thousand, five hundred twenty".