429123370788 has 108 divisors (see below), whose sum is σ = 1266383828892. Its totient is φ = 122163914880.

The previous prime is 429123370787. The next prime is 429123370801. The reversal of 429123370788 is 887073321924.

It can be written as a sum of positive squares in 2 ways, for example, as 134254822464 + 294868548324 = 366408^2 + 543018^2 .

It is not an unprimeable number, because it can be changed into a prime (429123370787) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49518 + ... + 927738.

Almost surely, 2^429123370788 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 429123370788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633191914446).

429123370788 is an abundant number, since it is smaller than the sum of its proper divisors (837260458104).

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

429123370788 is a wasteful number, since it uses less digits than its factorization.

429123370788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878522 (or 878510 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 429123370788 in words is "four hundred twenty-nine billion, one hundred twenty-three million, three hundred seventy thousand, seven hundred eighty-eight".