641415436 has 24 divisors (see below), whose sum is σ = 1132911360. Its totient is φ = 317740800.

The previous prime is 641415413. The next prime is 641415469. The reversal of 641415436 is 634514146.

It is a super-2 number, since 2×641415436² = 822827523078140192, which contains 22 as substring.

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, 203956 + ... + 207076.

It is an arithmetic number, because the mean of its divisors is an integer number (47204640).

Almost surely, 2^641415436 is an apocalyptic number.

It is an amenable number.

641415436 is a deficient number, since it is larger than the sum of its proper divisors (491495924).

641415436 is a wasteful number, since it uses less digits than its factorization.

641415436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585 (or 3583 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 641415436 is about 25326.1808411770. The cubic root of 641415436 is about 862.4087133240.

The spelling of 641415436 in words is "six hundred forty-one million, four hundred fifteen thousand, four hundred thirty-six".