44161540653 has 16 divisors (see below), whose sum is σ = 59623589376. Its totient is φ = 29072030640.

The previous prime is 44161540649. The next prime is 44161540681. The reversal of 44161540653 is 35604516144.

It is not a de Polignac number, because 44161540653 - 2² = 44161540649 is a prime.

It is a super-3 number, since 3×44161540653³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44161540693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121351 + ... + 321012.

It is an arithmetic number, because the mean of its divisors is an integer number (3726474336).

Almost surely, 2^44161540653 is an apocalyptic number.

It is an amenable number.

44161540653 is a deficient number, since it is larger than the sum of its proper divisors (15462048723).

44161540653 is a wasteful number, since it uses less digits than its factorization.

44161540653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442784.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 44161540653 in words is "forty-four billion, one hundred sixty-one million, five hundred forty thousand, six hundred fifty-three".