5901012640 has 36 divisors (see below), whose sum is σ = 13943438334. Its totient is φ = 2360016384.

The previous prime is 5901012631. The next prime is 5901012643. The reversal of 5901012640 is 462101095.

It can be written as a sum of positive squares in 3 ways, for example, as 5900083344 + 929296 = 76812^2 + 964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5901012599 and 5901012608.

It is not an unprimeable number, because it can be changed into a prime (5901012643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 968644 + ... + 974716.

Almost surely, 2^5901012640 is an apocalyptic number.

It is an amenable number.

5901012640 is an abundant number, since it is smaller than the sum of its proper divisors (8042425694).

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

5901012640 is an frugal number, since it uses more digits than its factorization.

5901012640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12161 (or 6080 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 5901012640 is about 76818.0489208103. The cubic root of 5901012640 is about 1807.0722424444.

The spelling of 5901012640 in words is "five billion, nine hundred one million, twelve thousand, six hundred forty".