2945072390 has 32 divisors (see below), whose sum is σ = 6009383520. Its totient is φ = 1030178304.

The previous prime is 2945072341. The next prime is 2945072393. The reversal of 2945072390 is 932705492.

2945072390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945072393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593699 + ... + 598638.

It is an arithmetic number, because the mean of its divisors is an integer number (187793235).

Almost surely, 2^2945072390 is an apocalyptic number.

2945072390 is an abundant number, since it is smaller than the sum of its proper divisors (3064311130).

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

2945072390 is a wasteful number, since it uses less digits than its factorization.

2945072390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192376.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 2945072390 is about 54268.5211701959. The cubic root of 2945072390 is about 1433.3931501387.

The spelling of 2945072390 in words is "two billion, nine hundred forty-five million, seventy-two thousand, three hundred ninety".