428920413526 has 12 divisors (see below), whose sum is σ = 707186963196. Its totient is φ = 194963824220.

The previous prime is 428920413413. The next prime is 428920413589. The reversal of 428920413526 is 625314029824.

It is a super-2 number, since 2×428920413526² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 886198960 + ... + 886199443.

It is an arithmetic number, because the mean of its divisors is an integer number (58932246933).

Almost surely, 2^428920413526 is an apocalyptic number.

428920413526 is a deficient number, since it is larger than the sum of its proper divisors (278266549670).

428920413526 is a wasteful number, since it uses less digits than its factorization.

428920413526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772398427 (or 1772398416 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 428920413526 in words is "four hundred twenty-eight billion, nine hundred twenty million, four hundred thirteen thousand, five hundred twenty-six".