6940157922 has 80 divisors (see below), whose sum is σ = 16209802752. Its totient is φ = 2216859840.

The previous prime is 6940157897. The next prime is 6940157933. The reversal of 6940157922 is 2297510496.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 510558 + ... + 523974.

Almost surely, 2^6940157922 is an apocalyptic number.

6940157922 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6940157922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8104901376).

6940157922 is an abundant number, since it is smaller than the sum of its proper divisors (9269644830).

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

6940157922 is a wasteful number, since it uses less digits than its factorization.

6940157922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13565 (or 13556 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 6940157922 is about 83307.6102285980. The cubic root of 6940157922 is about 1907.4644426632.

The spelling of 6940157922 in words is "six billion, nine hundred forty million, one hundred fifty-seven thousand, nine hundred twenty-two".