44691428 has 6 divisors (see below), whose sum is σ = 78210006. Its totient is φ = 22345712.

The previous prime is 44691377. The next prime is 44691431. The reversal of 44691428 is 82419644.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 3833764 = 6392^2 + 1958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44691391 and 44691400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586425 + ... + 5586432.

It is an arithmetic number, because the mean of its divisors is an integer number (13035001).

Almost surely, 2^44691428 is an apocalyptic number.

It is an amenable number.

44691428 is a deficient number, since it is larger than the sum of its proper divisors (33518578).

44691428 is a wasteful number, since it uses less digits than its factorization.

44691428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11172861 (or 11172859 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 44691428 is about 6685.1647698467. The cubic root of 44691428 is about 354.8744593456.

The spelling of 44691428 in words is "forty-four million, six hundred ninety-one thousand, four hundred twenty-eight".