43044020400102 has 32 divisors (see below), whose sum is σ = 91267865534592. Its totient is φ = 13486847535744.

The previous prime is 43044020400097. The next prime is 43044020400133. The reversal of 43044020400102 is 20100402044034.

It is a happy number.

It is a super-2 number, since 2×43044020400102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268026588 + ... + 268187135.

It is an arithmetic number, because the mean of its divisors is an integer number (2852120797956).

Almost surely, 2^{43044020400102} is an apocalyptic number.

43044020400102 is an abundant number, since it is smaller than the sum of its proper divisors (48223845134490).

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

43044020400102 is a wasteful number, since it uses less digits than its factorization.

43044020400102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536214532.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 43044020400102 its reverse (20100402044034), we get a palindrome (63144422444136).

The spelling of 43044020400102 in words is "forty-three trillion, forty-four billion, twenty million, four hundred thousand, one hundred two".