44464540 has 48 divisors (see below), whose sum is σ = 99751680. Its totient is φ = 16611840.

The previous prime is 44464523. The next prime is 44464577. The reversal of 44464540 is 4546444.

44464540 = T₉₃₁ + T₉₃₂ + ... + T₁₀₂₃.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 16744 + ... + 19216.

It is an arithmetic number, because the mean of its divisors is an integer number (2078160).

Almost surely, 2^44464540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44464540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49875840).

44464540 is an abundant number, since it is smaller than the sum of its proper divisors (55287140).

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

44464540 is a wasteful number, since it uses less digits than its factorization.

44464540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542 (or 2540 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 44464540 is about 6668.1736630055. The cubic root of 44464540 is about 354.2729018024.

The spelling of 44464540 in words is "forty-four million, four hundred sixty-four thousand, five hundred forty".