628012152 has 24 divisors (see below), whose sum is σ = 1700866440. Its totient is φ = 209337360.

The previous prime is 628012127. The next prime is 628012153. The reversal of 628012152 is 251210826.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×628012152² = 788798526119342208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628012153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4361124 + ... + 4361267.

It is an arithmetic number, because the mean of its divisors is an integer number (70869435).

Almost surely, 2^628012152 is an apocalyptic number.

It is an amenable number.

628012152 is an abundant number, since it is smaller than the sum of its proper divisors (1072854288).

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

628012152 is a wasteful number, since it uses less digits than its factorization.

628012152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722403 (or 8722396 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 628012152 is about 25060.1706299059. The cubic root of 628012152 is about 856.3592946817.

Adding to 628012152 its reverse (251210826), we get a palindrome (879222978).

The spelling of 628012152 in words is "six hundred twenty-eight million, twelve thousand, one hundred fifty-two".