3640349046 has 8 divisors (see below), whose sum is σ = 7280698104. Its totient is φ = 1213449680.

The previous prime is 3640349039. The next prime is 3640349051. The reversal of 3640349046 is 6409430463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

3640349046 is an admirable number.

It is a super-2 number, since 2×3640349046² = 26504282353426220232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3640348995 and 3640349013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303362415 + ... + 303362426.

It is an arithmetic number, because the mean of its divisors is an integer number (910087263).

Almost surely, 2^3640349046 is an apocalyptic number.

3640349046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3640349046 is a wasteful number, since it uses less digits than its factorization.

3640349046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606724846.

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 3640349046 is about 60335.3051372080. The cubic root of 3640349046 is about 1538.3235039016.

The spelling of 3640349046 in words is "three billion, six hundred forty million, three hundred forty-nine thousand, forty-six".