3664136740 has 48 divisors (see below), whose sum is σ = 8399220480. Its totient is φ = 1331617280.

The previous prime is 3664136737. The next prime is 3664136741. The reversal of 3664136740 is 476314663.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3664136693 and 3664136702.

It is not an unprimeable number, because it can be changed into a prime (3664136741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464469 + ... + 472291.

It is an arithmetic number, because the mean of its divisors is an integer number (174983760).

Almost surely, 2^3664136740 is an apocalyptic number.

It is an amenable number.

3664136740 is an abundant number, since it is smaller than the sum of its proper divisors (4735083740).

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

3664136740 is a wasteful number, since it uses less digits than its factorization.

3664136740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9972 (or 9970 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 3664136740 is about 60532.1132953410. The cubic root of 3664136740 is about 1541.6669334242. Note that the first 3 decimals are identical.

The spelling of 3664136740 in words is "three billion, six hundred sixty-four million, one hundred thirty-six thousand, seven hundred forty".