4591541940 has 24 divisors (see below), whose sum is σ = 12856317600. Its totient is φ = 1224411168.

The previous prime is 4591541897. The next prime is 4591541963. The reversal of 4591541940 is 491451954.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4591541892 and 4591541901.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38262790 + ... + 38262909.

It is an arithmetic number, because the mean of its divisors is an integer number (535679900).

Almost surely, 2^4591541940 is an apocalyptic number.

It is an amenable number.

4591541940 is an abundant number, since it is smaller than the sum of its proper divisors (8264775660).

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

4591541940 is a wasteful number, since it uses less digits than its factorization.

4591541940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76525711 (or 76525709 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 4591541940 is about 67760.9174967400. The cubic root of 4591541940 is about 1662.0835525020.

The spelling of 4591541940 in words is "four billion, five hundred ninety-one million, five hundred forty-one thousand, nine hundred forty".