67052624940 has 144 divisors (see below), whose sum is σ = 232830980928. Its totient is φ = 15301135872.

The previous prime is 67052624939. The next prime is 67052625011. The reversal of 67052624940 is 4942625076.

67052624940 is a `hidden beast` number, since 67 + 0 + 526 + 24 + 9 + 40 = 666.

It is a super-2 number, since 2×67052624940² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 728974 + ... + 815786.

It is an arithmetic number, because the mean of its divisors is an integer number (1616881812).

Almost surely, 2^67052624940 is an apocalyptic number.

67052624940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67052624940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116415490464).

67052624940 is an abundant number, since it is smaller than the sum of its proper divisors (165778355988).

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

67052624940 is a wasteful number, since it uses less digits than its factorization.

67052624940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87448 (or 87443 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 67052624940 in words is "sixty-seven billion, fifty-two million, six hundred twenty-four thousand, nine hundred forty".