101234400440 has 16 divisors (see below), whose sum is σ = 227777401080. Its totient is φ = 40493760160.

The previous prime is 101234400437. The next prime is 101234400503. The reversal of 101234400440 is 44004432101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265429966 + ... + 1265430045.

Almost surely, 2^101234400440 is an apocalyptic number.

101234400440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101234400440 is an abundant number, since it is smaller than the sum of its proper divisors (126543000640).

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

101234400440 is a wasteful number, since it uses less digits than its factorization.

101234400440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530860022 (or 2530860018 counting only the distinct ones).

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

Adding to 101234400440 its reverse (44004432101), we get a palindrome (145238832541).

The spelling of 101234400440 in words is "one hundred one billion, two hundred thirty-four million, four hundred thousand, four hundred forty".