3640051950 has 48 divisors (see below), whose sum is σ = 9064876656. Its totient is φ = 966643200.

The previous prime is 3640051931. The next prime is 3640051981. The reversal of 3640051950 is 591500463.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 14197 + ... + 86496.

It is an arithmetic number, because the mean of its divisors is an integer number (188851597).

Almost surely, 2^3640051950 is an apocalyptic number.

3640051950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3640051950 is an abundant number, since it is smaller than the sum of its proper divisors (5424824706).

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

3640051950 is a wasteful number, since it uses less digits than its factorization.

3640051950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100949 (or 100944 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 3640051950 is about 60332.8430458900. The cubic root of 3640051950 is about 1538.2816542339.

The spelling of 3640051950 in words is "three billion, six hundred forty million, fifty-one thousand, nine hundred fifty".