2628358380 has 72 divisors (see below), whose sum is σ = 7981864800. Its totient is φ = 700088832.

The previous prime is 2628358339. The next prime is 2628358399. The reversal of 2628358380 is 838538262.

2628358380 is a `hidden beast` number, since 2 + 62 + 8 + 3 + 583 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 157476 + ... + 173364.

Almost surely, 2^2628358380 is an apocalyptic number.

2628358380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2628358380 is an abundant number, since it is smaller than the sum of its proper divisors (5353506420).

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

2628358380 is a wasteful number, since it uses less digits than its factorization.

2628358380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16823 (or 16818 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 2628358380 is about 51267.5177866064. The cubic root of 2628358380 is about 1380.0501242033.

The spelling of 2628358380 in words is "two billion, six hundred twenty-eight million, three hundred fifty-eight thousand, three hundred eighty".