67014770440 has 64 divisors (see below), whose sum is σ = 160724574000. Its totient is φ = 25059729408.

The previous prime is 67014770399. The next prime is 67014770441. The reversal of 67014770440 is 4407741076.

67014770440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 6849548644 + 60165221796 = 82762^2 + 245286^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 67014770393 and 67014770402.

It is not an unprimeable number, because it can be changed into a prime (67014770441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229389 + ... + 432028.

Almost surely, 2^67014770440 is an apocalyptic number.

It is an amenable number.

67014770440 is an abundant number, since it is smaller than the sum of its proper divisors (93709803560).

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

67014770440 is a wasteful number, since it uses less digits than its factorization.

67014770440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661594 (or 661590 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 67014770440 in words is "sixty-seven billion, fourteen million, seven hundred seventy thousand, four hundred forty".