40101144 has 32 divisors (see below), whose sum is σ = 104613120. Its totient is φ = 12785696.

The previous prime is 40101119. The next prime is 40101151. The reversal of 40101144 is 44110104.

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, 35772 + ... + 36875.

It is an arithmetic number, because the mean of its divisors is an integer number (3269160).

Almost surely, 2^40101144 is an apocalyptic number.

It is an amenable number.

40101144 is an abundant number, since it is smaller than the sum of its proper divisors (64511976).

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

40101144 is a wasteful number, since it uses less digits than its factorization.

40101144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72679 (or 72675 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 40101144 is about 6332.5464072520. The cubic root of 40101144 is about 342.2832030597.

Adding to 40101144 its reverse (44110104), we get a palindrome (84211248).

The spelling of 40101144 in words is "forty million, one hundred one thousand, one hundred forty-four".