103402103521440 has 96 divisors (see below), whose sum is σ = 325718524797120. Its totient is φ = 27573733535744.

The previous prime is 103402103521403. The next prime is 103402103521477. The reversal of 103402103521440 is 44125301204301.

It is an interprime number because it is at equal distance from previous prime (103402103521403) and next prime (103402103521477).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 103402103521398 and 103402103521407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97883752 + ... + 98934488.

It is an arithmetic number, because the mean of its divisors is an integer number (3392901299970).

Almost surely, 2^{103402103521440} is an apocalyptic number.

103402103521440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103402103521440 is an abundant number, since it is smaller than the sum of its proper divisors (222316421275680).

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

103402103521440 is a wasteful number, since it uses less digits than its factorization.

103402103521440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255774 (or 1255766 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 103402103521440 its reverse (44125301204301), we get a palindrome (147527404725741).

The spelling of 103402103521440 in words is "one hundred three trillion, four hundred two billion, one hundred three million, five hundred twenty-one thousand, four hundred forty".