102401403044 has 12 divisors (see below), whose sum is σ = 179594586444. Its totient is φ = 51088664064.

The previous prime is 102401403029. The next prime is 102401403047. The reversal of 102401403044 is 440304104201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96323329600 + 6078073444 = 310360^2 + 77962^2 .

It is not an unprimeable number, because it can be changed into a prime (102401403047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28007309 + ... + 28010964.

It is an arithmetic number, because the mean of its divisors is an integer number (14966215537).

Almost surely, 2^102401403044 is an apocalyptic number.

It is an amenable number.

102401403044 is a deficient number, since it is larger than the sum of its proper divisors (77193183400).

102401403044 is a wasteful number, since it uses less digits than its factorization.

102401403044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56018734 (or 56018732 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 102401403044 its reverse (440304104201), we get a palindrome (542705507245).

The spelling of 102401403044 in words is "one hundred two billion, four hundred one million, four hundred three thousand, forty-four".