3640272141 has 32 divisors (see below), whose sum is σ = 5332303872. Its totient is φ = 2190724160.

The previous prime is 3640272133. The next prime is 3640272143. The reversal of 3640272141 is 1412720463.

3640272141 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3640272141 - 2³ = 3640272133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3640272099 and 3640272108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640272143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3702736 + ... + 3703718.

It is an arithmetic number, because the mean of its divisors is an integer number (166634496).

Almost surely, 2^3640272141 is an apocalyptic number.

It is an amenable number.

3640272141 is a deficient number, since it is larger than the sum of its proper divisors (1692031731).

3640272141 is a wasteful number, since it uses less digits than its factorization.

3640272141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3640272141 is about 60334.6678204165. The cubic root of 3640272141 is about 1538.3126710940.

The spelling of 3640272141 in words is "three billion, six hundred forty million, two hundred seventy-two thousand, one hundred forty-one".