307457229436 has 72 divisors (see below), whose sum is σ = 649290751200. Its totient is φ = 124772828544.

The previous prime is 307457229353. The next prime is 307457229439. The reversal of 307457229436 is 634922754703.

It is a super-2 number, since 2×307457229436² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307457229439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25759326 + ... + 25771258.

It is an arithmetic number, because the mean of its divisors is an integer number (9017927100).

Almost surely, 2^307457229436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307457229436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324645375600).

307457229436 is an abundant number, since it is smaller than the sum of its proper divisors (341833521764).

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

307457229436 is a wasteful number, since it uses less digits than its factorization.

307457229436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14531 (or 14510 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 307457229436 in words is "three hundred seven billion, four hundred fifty-seven million, two hundred twenty-nine thousand, four hundred thirty-six".