44020538 has 8 divisors (see below), whose sum is σ = 66866880. Its totient is φ = 21731580.

The previous prime is 44020523. The next prime is 44020553. The reversal of 44020538 is 83502044.

It is an interprime number because it is at equal distance from previous prime (44020523) and next prime (44020553).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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, 139148 + ... + 139463.

It is an arithmetic number, because the mean of its divisors is an integer number (8358360).

Almost surely, 2^44020538 is an apocalyptic number.

44020538 is a deficient number, since it is larger than the sum of its proper divisors (22846342).

44020538 is a wasteful number, since it uses less digits than its factorization.

44020538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278692.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 44020538 is about 6634.7975100978. The cubic root of 44020538 is about 353.0897539991.

The spelling of 44020538 in words is "forty-four million, twenty thousand, five hundred thirty-eight".