1641414420 has 72 divisors (see below), whose sum is σ = 4985713824. Its totient is φ = 437116608.

The previous prime is 1641414419. The next prime is 1641414431. The reversal of 1641414420 is 244141461.

1641414420 is a `hidden beast` number, since 1 + 641 + 4 + 14 + 4 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135867 + ... + 147453.

Almost surely, 2^1641414420 is an apocalyptic number.

1641414420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1641414420 is an abundant number, since it is smaller than the sum of its proper divisors (3344299404).

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

1641414420 is a wasteful number, since it uses less digits than its factorization.

1641414420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12389 (or 12384 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1641414420 is about 40514.3730051447. The cubic root of 1641414420 is about 1179.6126325933.

Adding to 1641414420 its reverse (244141461), we get a palindrome (1885555881).

The spelling of 1641414420 in words is "one billion, six hundred forty-one million, four hundred fourteen thousand, four hundred twenty".