67002530540 has 48 divisors (see below), whose sum is σ = 156013077024. Its totient is φ = 23965132800.

The previous prime is 67002530533. The next prime is 67002530599. The reversal of 67002530540 is 4503520076.

It is a junction number, because it is equal to n+sod(n) for n = 67002530497 and 67002530506.

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, 2482949 + ... + 2509788.

It is an arithmetic number, because the mean of its divisors is an integer number (3250272438).

Almost surely, 2^67002530540 is an apocalyptic number.

It is an amenable number.

67002530540 is an abundant number, since it is smaller than the sum of its proper divisors (89010546484).

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

67002530540 is a wasteful number, since it uses less digits than its factorization.

67002530540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992818 (or 4992816 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The spelling of 67002530540 in words is "sixty-seven billion, two million, five hundred thirty thousand, five hundred forty".