44901540 has 72 divisors (see below), whose sum is σ = 141261120. Its totient is φ = 11972448.

The previous prime is 44901499. The next prime is 44901553. The reversal of 44901540 is 4510944.

It is a super-2 number, since 2×44901540² = 4032296588743200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241 + ... + 9479.

It is an arithmetic number, because the mean of its divisors is an integer number (1961960).

Almost surely, 2^44901540 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 44901540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70630560).

44901540 is an abundant number, since it is smaller than the sum of its proper divisors (96359580).

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

44901540 is a wasteful number, since it uses less digits than its factorization.

44901540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9263 (or 9249 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 44901540 is about 6700.8611386896. The cubic root of 44901540 is about 355.4297249329.

The spelling of 44901540 in words is "forty-four million, nine hundred one thousand, five hundred forty".