4645781240 has 32 divisors (see below), whose sum is σ = 10465254000. Its totient is φ = 1856135424.

The previous prime is 4645781227. The next prime is 4645781251. The reversal of 4645781240 is 421875464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33245 + ... + 101964.

Almost surely, 2^4645781240 is an apocalyptic number.

4645781240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4645781240 is an abundant number, since it is smaller than the sum of its proper divisors (5819472760).

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

4645781240 is a wasteful number, since it uses less digits than its factorization.

4645781240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136079 (or 136075 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 4645781240 is about 68159.9680164244. The cubic root of 4645781240 is about 1668.6026103137.

The spelling of 4645781240 in words is "four billion, six hundred forty-five million, seven hundred eighty-one thousand, two hundred forty".