10101149440 has 36 divisors (see below), whose sum is σ = 24195412584. Its totient is φ = 4040459264.

The previous prime is 10101149423. The next prime is 10101149447. The reversal of 10101149440 is 4494110101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101149447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3944482 + ... + 3947041.

It is an arithmetic number, because the mean of its divisors is an integer number (672094794).

Almost surely, 2^10101149440 is an apocalyptic number.

10101149440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101149440 is an abundant number, since it is smaller than the sum of its proper divisors (14094263144).

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

10101149440 is an frugal number, since it uses more digits than its factorization.

10101149440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891544 (or 7891530 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 10101149440 its reverse (4494110101), we get a palindrome (14595259541).

The spelling of 10101149440 in words is "ten billion, one hundred one million, one hundred forty-nine thousand, four hundred forty".