6940390152 has 16 divisors (see below), whose sum is σ = 17350975440. Its totient is φ = 2313463376.

The previous prime is 6940390151. The next prime is 6940390159. The reversal of 6940390152 is 2510930496.

It is a self number, because there is not a number n which added to its sum of digits gives 6940390152.

It is not an unprimeable number, because it can be changed into a prime (6940390151) 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, 144591438 + ... + 144591485.

It is an arithmetic number, because the mean of its divisors is an integer number (1084435965).

Almost surely, 2^6940390152 is an apocalyptic number.

It is an amenable number.

6940390152 is an abundant number, since it is smaller than the sum of its proper divisors (10410585288).

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

6940390152 is a wasteful number, since it uses less digits than its factorization.

6940390152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289182932 (or 289182928 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 6940390152 is about 83309.0040271758. The cubic root of 6940390152 is about 1907.4857181410.

The spelling of 6940390152 in words is "six billion, nine hundred forty million, three hundred ninety thousand, one hundred fifty-two".