4061613640 has 32 divisors (see below), whose sum is σ = 10444150080. Its totient is φ = 1392553152.

The previous prime is 4061613601. The next prime is 4061613643. The reversal of 4061613640 is 463161604.

It is not an unprimeable number, because it can be changed into a prime (4061613643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7252602 + ... + 7253161.

It is an arithmetic number, because the mean of its divisors is an integer number (326379690).

Almost surely, 2^4061613640 is an apocalyptic number.

4061613640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4061613640 is an abundant number, since it is smaller than the sum of its proper divisors (6382536440).

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

4061613640 is a wasteful number, since it uses less digits than its factorization.

4061613640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14505781 (or 14505777 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 4061613640 is about 63730.7903607040. The cubic root of 4061613640 is about 1595.5100212177.

The spelling of 4061613640 in words is "four billion, sixty-one million, six hundred thirteen thousand, six hundred forty".