1641424932 has 288 divisors, whose sum is σ = 5196320640. Its totient is φ = 446342400.

The previous prime is 1641424909. The next prime is 1641424933. The reversal of 1641424932 is 2394241461.

1641424932 is a `hidden beast` number, since 1 + 641 + 4 + 2 + 4 + 9 + 3 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1641424933) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16251682 + ... + 16251782.

It is an arithmetic number, because the mean of its divisors is an integer number (18042780).

Almost surely, 2^1641424932 is an apocalyptic number.

1641424932 is a gapful number since it is divisible by the number (12) 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 1641424932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2598160320).

1641424932 is an abundant number, since it is smaller than the sum of its proper divisors (3554895708).

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

1641424932 is a wasteful number, since it uses less digits than its factorization.

1641424932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 233 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1641424932 is about 40514.5027366744. The cubic root of 1641424932 is about 1179.6151507592.

The spelling of 1641424932 in words is "one billion, six hundred forty-one million, four hundred twenty-four thousand, nine hundred thirty-two".