2901970640 has 40 divisors (see below), whose sum is σ = 6766261128. Its totient is φ = 1157488640.

The previous prime is 2901970619. The next prime is 2901970649. The reversal of 2901970640 is 460791092.

2901970640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 946915984 + 1955054656 = 30772^2 + 44216^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2901970594 and 2901970603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2901970649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23141 + ... + 79620.

Almost surely, 2^2901970640 is an apocalyptic number.

2901970640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2901970640 is an abundant number, since it is smaller than the sum of its proper divisors (3864290488).

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

2901970640 is a wasteful number, since it uses less digits than its factorization.

2901970640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103127 (or 103121 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2901970640 is about 53869.9418971285. The cubic root of 2901970640 is about 1426.3660875291.

The spelling of 2901970640 in words is "two billion, nine hundred one million, nine hundred seventy thousand, six hundred forty".