428529149044 has 12 divisors (see below), whose sum is σ = 762636621600. Its totient is φ = 210632971448.

The previous prime is 428529149023. The next prime is 428529149093. The reversal of 428529149044 is 440941925824.

It is a super-2 number, since 2×428529149044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 428529148982 and 428529149000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907900504 + ... + 907900975.

It is an arithmetic number, because the mean of its divisors is an integer number (63553051800).

Almost surely, 2^428529149044 is an apocalyptic number.

It is an amenable number.

428529149044 is a deficient number, since it is larger than the sum of its proper divisors (334107472556).

428529149044 is a wasteful number, since it uses less digits than its factorization.

428529149044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815801542 (or 1815801540 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 428529149044 in words is "four hundred twenty-eight billion, five hundred twenty-nine million, one hundred forty-nine thousand, forty-four".