6940657038 has 96 divisors (see below), whose sum is σ = 16894821888. Its totient is φ = 1893360000.

The previous prime is 6940657037. The next prime is 6940657051. The reversal of 6940657038 is 8307560496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940657033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560413 + ... + 572663.

It is an arithmetic number, because the mean of its divisors is an integer number (175987728).

Almost surely, 2^6940657038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6940657038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8447410944).

6940657038 is an abundant number, since it is smaller than the sum of its proper divisors (9954164850).

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

6940657038 is a wasteful number, since it uses less digits than its factorization.

6940657038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12358 (or 12351 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 6940657038 is about 83310.6057954208. The cubic root of 6940657038 is about 1907.5101680012.

The spelling of 6940657038 in words is "six billion, nine hundred forty million, six hundred fifty-seven thousand, thirty-eight".