60646456040 has 16 divisors (see below), whose sum is σ = 136454526180. Its totient is φ = 24258582400.

The previous prime is 60646455997. The next prime is 60646456049. The reversal of 60646456040 is 4065464606.

It can be written as a sum of positive squares in 2 ways, for example, as 56475621316 + 4170834724 = 237646^2 + 64582^2 .

It is a super-3 number, since 3×60646456040³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (60646456049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758080661 + ... + 758080740.

Almost surely, 2^60646456040 is an apocalyptic number.

It is an amenable number.

60646456040 is an abundant number, since it is smaller than the sum of its proper divisors (75808070140).

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

60646456040 is a wasteful number, since it uses less digits than its factorization.

60646456040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516161412 (or 1516161408 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 60646456040 in words is "sixty billion, six hundred forty-six million, four hundred fifty-six thousand, forty".