307232070640 has 40 divisors (see below), whose sum is σ = 779252254128. Its totient is φ = 111720752640.

The previous prime is 307232070637. The next prime is 307232070643. The reversal of 307232070640 is 46070232703.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (307232070637) and next prime (307232070643).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 307232070596 and 307232070605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307232070643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174562797 + ... + 174564556.

Almost surely, 2^307232070640 is an apocalyptic number.

It is an amenable number.

307232070640 is an abundant number, since it is smaller than the sum of its proper divisors (472020183488).

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

307232070640 is a wasteful number, since it uses less digits than its factorization.

307232070640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349127377 (or 349127371 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 34.

The spelling of 307232070640 in words is "three hundred seven billion, two hundred thirty-two million, seventy thousand, six hundred forty".