433254367640 has 16 divisors (see below), whose sum is σ = 974822327280. Its totient is φ = 173301747040.

The previous prime is 433254367621. The next prime is 433254367643. The reversal of 433254367640 is 46763452334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433254367643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5415679556 + ... + 5415679635.

It is an arithmetic number, because the mean of its divisors is an integer number (60926395455).

Almost surely, 2^433254367640 is an apocalyptic number.

433254367640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

433254367640 is an abundant number, since it is smaller than the sum of its proper divisors (541567959640).

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

433254367640 is a wasteful number, since it uses less digits than its factorization.

433254367640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10831359202 (or 10831359198 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 47.

The spelling of 433254367640 in words is "four hundred thirty-three billion, two hundred fifty-four million, three hundred sixty-seven thousand, six hundred forty".