2975047140 has 96 divisors (see below), whose sum is σ = 8980594560. Its totient is φ = 731529216.

The previous prime is 2975047111. The next prime is 2975047147. The reversal of 2975047140 is 417405792.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2975047147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097667 + ... + 1100373.

It is an arithmetic number, because the mean of its divisors is an integer number (93547860).

Almost surely, 2^2975047140 is an apocalyptic number.

2975047140 is a gapful number since it is divisible by the number (20) 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 2975047140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4490297280).

2975047140 is an abundant number, since it is smaller than the sum of its proper divisors (6005547420).

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

2975047140 is a wasteful number, since it uses less digits than its factorization.

2975047140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141 (or 4139 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 2975047140 is about 54543.9927031383. The cubic root of 2975047140 is about 1438.2397376273.

The spelling of 2975047140 in words is "two billion, nine hundred seventy-five million, forty-seven thousand, one hundred forty".