43420255051 has 8 divisors (see below), whose sum is σ = 44510256000. Its totient is φ = 42331728960.

The previous prime is 43420255037. The next prime is 43420255057. The reversal of 43420255051 is 15055202434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43420255051 - 2⁵ = 43420255019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43420255057) 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, 308976 + ... + 426973.

It is an arithmetic number, because the mean of its divisors is an integer number (5563782000).

Almost surely, 2^43420255051 is an apocalyptic number.

43420255051 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

43420255051 is a deficient number, since it is larger than the sum of its proper divisors (1090000949).

43420255051 is a wasteful number, since it uses less digits than its factorization.

43420255051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737429.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 43420255051 its reverse (15055202434), we get a palindrome (58475457485).

The spelling of 43420255051 in words is "forty-three billion, four hundred twenty million, two hundred fifty-five thousand, fifty-one".