630282881976 has 64 divisors (see below), whose sum is σ = 1719145209600. Its totient is φ = 190973491200.

The previous prime is 630282881957. The next prime is 630282881981. The reversal of 630282881976 is 679188282036.

It is a super-2 number, since 2×630282881976² (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 15 ways as a sum of consecutive naturals, for example, 2321565 + ... + 2578803.

It is an arithmetic number, because the mean of its divisors is an integer number (26861643900).

Almost surely, 2^630282881976 is an apocalyptic number.

630282881976 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

630282881976 is an abundant number, since it is smaller than the sum of its proper divisors (1088862327624).

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

630282881976 is a wasteful number, since it uses less digits than its factorization.

630282881976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266540 (or 266536 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 630282881976 in words is "six hundred thirty billion, two hundred eighty-two million, eight hundred eighty-one thousand, nine hundred seventy-six".