44605645240 has 64 divisors (see below), whose sum is σ = 112782196800. Its totient is φ = 15753695232.

The previous prime is 44605645193. The next prime is 44605645283. The reversal of 44605645240 is 4254650644.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 44605645193 and 44605645202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1852825 + ... + 1876744.

It is an arithmetic number, because the mean of its divisors is an integer number (1762221825).

Almost surely, 2^44605645240 is an apocalyptic number.

44605645240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44605645240 is an abundant number, since it is smaller than the sum of its proper divisors (68176551560).

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

44605645240 is a wasteful number, since it uses less digits than its factorization.

44605645240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729616 (or 3729612 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 44605645240 in words is "forty-four billion, six hundred five million, six hundred forty-five thousand, two hundred forty".