44013402 has 16 divisors (see below), whose sum is σ = 97807680. Its totient is φ = 14671116.

The previous prime is 44013383. The next prime is 44013407. The reversal of 44013402 is 20431044.

It is a super-2 number, since 2×44013402² = 3874359111227208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (44013407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407478 + ... + 407585.

It is an arithmetic number, because the mean of its divisors is an integer number (6112980).

Almost surely, 2^44013402 is an apocalyptic number.

44013402 is an abundant number, since it is smaller than the sum of its proper divisors (53794278).

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

44013402 is a wasteful number, since it uses less digits than its factorization.

44013402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815074 (or 815068 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44013402 is about 6634.2597175570. The cubic root of 44013402 is about 353.0706736276.

Adding to 44013402 its reverse (20431044), we get a palindrome (64444446).

The spelling of 44013402 in words is "forty-four million, thirteen thousand, four hundred two".