44013428 has 24 divisors (see below), whose sum is σ = 80532480. Its totient is φ = 21022560.

The previous prime is 44013419. The next prime is 44013451. The reversal of 44013428 is 82431044.

It is a super-2 number, since 2×44013428² = 3874363688622368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44013397 and 44013406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7550 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (3355520).

Almost surely, 2^44013428 is an apocalyptic number.

It is an amenable number.

44013428 is a deficient number, since it is larger than the sum of its proper divisors (36519052).

44013428 is a wasteful number, since it uses less digits than its factorization.

44013428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607 (or 4605 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 44013428 is about 6634.2616770821. The cubic root of 44013428 is about 353.0707431507.

The spelling of 44013428 in words is "forty-four million, thirteen thousand, four hundred twenty-eight".