428551340148 has 72 divisors (see below), whose sum is σ = 1166816050400. Its totient is φ = 132184737216.

The previous prime is 428551340039. The next prime is 428551340201. The reversal of 428551340148 is 841043155824.

428551340148 is a `hidden beast` number, since 4 + 2 + 85 + 513 + 40 + 14 + 8 = 666.

It is a super-2 number, since 2×428551340148² (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 23 ways as a sum of consecutive naturals, for example, 7255903 + ... + 7314726.

Almost surely, 2^428551340148 is an apocalyptic number.

It is an amenable number.

428551340148 is an abundant number, since it is smaller than the sum of its proper divisors (738264710252).

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

428551340148 is a wasteful number, since it uses less digits than its factorization.

428551340148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14570701 (or 14570696 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 428551340148 in words is "four hundred twenty-eight billion, five hundred fifty-one million, three hundred forty thousand, one hundred forty-eight".