6977192040 has 768 divisors, whose sum is σ = 29682892800. Its totient is φ = 1426553856.

The previous prime is 6977192023. The next prime is 6977192051. The reversal of 6977192040 is 402917796.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 54938457 + ... + 54938583.

It is an arithmetic number, because the mean of its divisors is an integer number (38649600).

Almost surely, 2^6977192040 is an apocalyptic number.

6977192040 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 6977192040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14841446400).

6977192040 is an abundant number, since it is smaller than the sum of its proper divisors (22705700760).

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

6977192040 is a wasteful number, since it uses less digits than its factorization.

6977192040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 6977192040 is about 83529.5878117449. The cubic root of 6977192040 is about 1910.8513003830.

The spelling of 6977192040 in words is "six billion, nine hundred seventy-seven million, one hundred ninety-two thousand, forty".