44665867040 has 24 divisors (see below), whose sum is σ = 105523111260. Its totient is φ = 17866346752.

The previous prime is 44665867021. The next prime is 44665867061. The reversal of 44665867040 is 4076856644.

It can be written as a sum of positive squares in 2 ways, for example, as 36177561616 + 8488305424 = 190204^2 + 92132^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44665867040.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139580675 + ... + 139580994.

Almost surely, 2^44665867040 is an apocalyptic number.

44665867040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44665867040 is an abundant number, since it is smaller than the sum of its proper divisors (60857244220).

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

44665867040 is a wasteful number, since it uses less digits than its factorization.

44665867040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279161684 (or 279161676 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 44665867040 in words is "forty-four billion, six hundred sixty-five million, eight hundred sixty-seven thousand, forty".