428176366380 has 144 divisors (see below), whose sum is σ = 1539320590080. Its totient is φ = 97868875968.

The previous prime is 428176366379. The next prime is 428176366433. The reversal of 428176366380 is 83663671824.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6258990 + ... + 6327029.

It is an arithmetic number, because the mean of its divisors is an integer number (10689726320).

Almost surely, 2^428176366380 is an apocalyptic number.

It is an amenable number.

428176366380 is an abundant number, since it is smaller than the sum of its proper divisors (1111144223700).

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

428176366380 is a wasteful number, since it uses less digits than its factorization.

428176366380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586050 (or 12586036 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 428176366380 in words is "four hundred twenty-eight billion, one hundred seventy-six million, three hundred sixty-six thousand, three hundred eighty".