44781406 has 4 divisors (see below), whose sum is σ = 67172112. Its totient is φ = 22390702.

The previous prime is 44781403. The next prime is 44781419. The reversal of 44781406 is 60418744.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44781403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11195350 + ... + 11195353.

It is an arithmetic number, because the mean of its divisors is an integer number (16793028).

Almost surely, 2^44781406 is an apocalyptic number.

44781406 is a deficient number, since it is larger than the sum of its proper divisors (22390706).

44781406 is a wasteful number, since it uses less digits than its factorization.

44781406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22390705.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 44781406 is about 6691.8910630703. The cubic root of 44781406 is about 355.1124579244.

The spelling of 44781406 in words is "forty-four million, seven hundred eighty-one thousand, four hundred six".