44797440 has 160 divisors (see below), whose sum is σ = 151240320. Its totient is φ = 11280384.

The previous prime is 44797433. The next prime is 44797451. The reversal of 44797440 is 4479744.

It is a tau number, because it is divible by the number of its divisors (160).

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, 145767 + ... + 146073.

It is an arithmetic number, because the mean of its divisors is an integer number (945252).

Almost surely, 2^44797440 is an apocalyptic number.

44797440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44797440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75620160).

44797440 is an abundant number, since it is smaller than the sum of its proper divisors (106442880).

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

44797440 is a wasteful number, since it uses less digits than its factorization.

44797440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 44797440 is about 6693.0889729631. The cubic root of 44797440 is about 355.1548355853.

The spelling of 44797440 in words is "forty-four million, seven hundred ninety-seven thousand, four hundred forty".