101255033440 has 48 divisors (see below), whose sum is σ = 260961840720. Its totient is φ = 36820011520.

The previous prime is 101255033423. The next prime is 101255033461. The reversal of 101255033440 is 44330552101.

It is a junction number, because it is equal to n+sod(n) for n = 101255033399 and 101255033408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28763875 + ... + 28767394.

It is an arithmetic number, because the mean of its divisors is an integer number (5436705015).

Almost surely, 2^101255033440 is an apocalyptic number.

101255033440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101255033440 is an abundant number, since it is smaller than the sum of its proper divisors (159706807280).

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

101255033440 is a wasteful number, since it uses less digits than its factorization.

101255033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57531295 (or 57531287 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 101255033440 its reverse (44330552101), we get a palindrome (145585585541).

The spelling of 101255033440 in words is "one hundred one billion, two hundred fifty-five million, thirty-three thousand, four hundred forty".