3640340151 has 20 divisors (see below), whose sum is σ = 6214902672. Its totient is φ = 2080194048.

The previous prime is 3640340149. The next prime is 3640340153. The reversal of 3640340151 is 1510430463.

3640340151 is a `hidden beast` number, since 3 + 640 + 3 + 4 + 0 + 15 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (3640340149) and next prime (3640340153).

It is not a de Polignac number, because 3640340151 - 2¹ = 3640340149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640340153) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3209610 + ... + 3210743.

Almost surely, 2^3640340151 is an apocalyptic number.

3640340151 is a deficient number, since it is larger than the sum of its proper divisors (2574562521).

3640340151 is an equidigital number, since it uses as much as digits as its factorization.

3640340151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420372 (or 6420363 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3640340151 is about 60335.2314241025. The cubic root of 3640340151 is about 1538.3222509633.

The spelling of 3640340151 in words is "three billion, six hundred forty million, three hundred forty thousand, one hundred fifty-one".