6950620840 has 16 divisors (see below), whose sum is σ = 15638896980. Its totient is φ = 2780248320.

The previous prime is 6950620813. The next prime is 6950620843. The reversal of 6950620840 is 480260596.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5763542724 + 1187078116 = 75918^2 + 34454^2 .

It is a super-2 number, since 2×6950620840² = 96622260122884611200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 173765521 = 6950620840 / (6 + 9 + 5 + 0 + 6 + 2 + 0 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 6950620793 and 6950620802.

It is not an unprimeable number, because it can be changed into a prime (6950620843) 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, 86882721 + ... + 86882800.

Almost surely, 2^6950620840 is an apocalyptic number.

It is an amenable number.

6950620840 is an abundant number, since it is smaller than the sum of its proper divisors (8688276140).

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

6950620840 is a wasteful number, since it uses less digits than its factorization.

6950620840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173765532 (or 173765528 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 6950620840 is about 83370.3834703907. The cubic root of 6950620840 is about 1908.4225199552.

The spelling of 6950620840 in words is "six billion, nine hundred fifty million, six hundred twenty thousand, eight hundred forty".