101450400440 has 48 divisors (see below), whose sum is σ = 240909607080. Its totient is φ = 38444356800.

The previous prime is 101450400431. The next prime is 101450400481. The reversal of 101450400440 is 44004054101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3498386 + ... + 3527265.

Almost surely, 2^101450400440 is an apocalyptic number.

101450400440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101450400440 is an abundant number, since it is smaller than the sum of its proper divisors (139459206640).

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

101450400440 is a wasteful number, since it uses less digits than its factorization.

101450400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025700 (or 7025677 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 101450400440 its reverse (44004054101), we get a palindrome (145454454541).

The spelling of 101450400440 in words is "one hundred one billion, four hundred fifty million, four hundred thousand, four hundred forty".