45709253840 has 40 divisors (see below), whose sum is σ = 106867758240. Its totient is φ = 18181552256.

The previous prime is 45709253833. The next prime is 45709253881. The reversal of 45709253840 is 4835290754.

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

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, 1581674 + ... + 1610313.

It is an arithmetic number, because the mean of its divisors is an integer number (2671693956).

Almost surely, 2^45709253840 is an apocalyptic number.

45709253840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45709253840 is an abundant number, since it is smaller than the sum of its proper divisors (61158504400).

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

45709253840 is a wasteful number, since it uses less digits than its factorization.

45709253840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192179 (or 3192173 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 45709253840 in words is "forty-five billion, seven hundred nine million, two hundred fifty-three thousand, eight hundred forty".