44021401402 has 64 divisors (see below), whose sum is σ = 75842500608. Its totient is φ = 18968488000.

The previous prime is 44021401357. The next prime is 44021401427. The reversal of 44021401402 is 20410412044.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41489952 + ... + 41491012.

It is an arithmetic number, because the mean of its divisors is an integer number (1185039072).

Almost surely, 2^44021401402 is an apocalyptic number.

44021401402 is a deficient number, since it is larger than the sum of its proper divisors (31821099206).

44021401402 is a wasteful number, since it uses less digits than its factorization.

44021401402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 44021401402 its reverse (20410412044), we get a palindrome (64431813446).

The spelling of 44021401402 in words is "forty-four billion, twenty-one million, four hundred one thousand, four hundred two".