40102221444 has 24 divisors (see below), whose sum is σ = 93636378528. Its totient is φ = 13358188800.

The previous prime is 40102221431. The next prime is 40102221461. The reversal of 40102221444 is 44412220104.

It is a super-2 number, since 2×40102221444² (a number of 22 digits) contains 22 as substring.

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, 1134157 + ... + 1168980.

It is an arithmetic number, because the mean of its divisors is an integer number (3901515772).

Almost surely, 2^40102221444 is an apocalyptic number.

It is an amenable number.

40102221444 is an abundant number, since it is smaller than the sum of its proper divisors (53534157084).

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

40102221444 is a wasteful number, since it uses less digits than its factorization.

40102221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304595 (or 2304593 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 40102221444 its reverse (44412220104), we get a palindrome (84514441548).

The spelling of 40102221444 in words is "forty billion, one hundred two million, two hundred twenty-one thousand, four hundred forty-four".